Unboxing SmallRig S70 Ultra-Thin Invisible Wireless Microphone
Best Deal Alert! You can now buy SmallRig S70 Ultra-Thin Invisible Wireless Microphone from Smallrig.com for only $89.99. Available for sale only in the US, EU and Japan.
Meet SmallRig S70 Wireless Microphone
From the moment I opened the box, it was immediately clear that the SmallRig S70 is not a “starter” wireless microphone meant to be outgrown. It arrives as a complete, production-ready system, thoughtfully assembled and clearly designed for creators who value efficiency, discretion, and reliability. Everything has a purpose, and nothing feels like an afterthought. Inside the packaging, I found two ultra-thin transmitters, a USB-C receiver and a dedicated 3.5mm camera receiver, a compact charging case, furry windscreens for outdoor use, cables, adapters, a carrying pouch, and clear documentation. It is the rare kit that requires no additional purchases before being put to work.
Clipping the transmitter onto a shirt collar for the first time was genuinely surprising. The exposed portion is so thin and discreet that it practically disappears once worn. There is no visible branding, no reflective surface, and no bulky shape distorting clothing. The nitinol memory-alloy clip deserves special praise—it grips securely without damaging fabric and adapts naturally to different clothing thicknesses. During walking, gesturing, or long takes, the microphone remains firmly in place and completely unnoticed, both visually and physically. For interviews or shoots involving people who are not accustomed to wearing microphones, this makes a huge difference. Subjects forget they are mic’d, and the result is more natural speech and relaxed on-camera presence.
Despite its ultra-thin profile, the S70 never feels fragile. The metal transmitter body provides real structural confidence, while the charging case offers solid protection during transport. Buttons are tactile and well-spaced, allowing confident operation without accidental presses. The overall design is understated but intentional, blending effortlessly into formal wear, casual clothing, or stage outfits. Optional colored mic covers further extend its adaptability, which is especially useful for weddings, fashion shoots, or productions where wardrobe continuity matters.
Pairing the SmallRig S70 with my Insta360 X5 was completely frictionless. The USB-C receiver locked in instantly, and from that point forward, the wireless connection remained impressively stable. Even while moving, changing orientation, or increasing distance, the signal never faltered. There was no signal hunting, no dropouts, and no interruptions—just consistent, dependable audio capture. This reliability becomes especially valuable in walk-and-talk 360° sequences, travel vlogging, or action-based narration where camera and subject are constantly in motion. The advertised 300-meter range proved more than sufficient in real-world scenarios, delivering clean, uninterrupted audio in open environments.
Audio performance is where the S70 firmly establishes itself as a professional tool. The omnidirectional condenser capsule delivers a clean, balanced sound with a 70dB signal-to-noise ratio and 120dB maximum SPL, handling both quiet dialogue and dynamic vocal delivery without distortion. What sets it apart is the thoughtful sound tuning. The microphone offers three levels of noise reduction and five levels of gain control, allowing precise adaptation to different environments. Even more impressive are the nine professional EQ presets, developed in collaboration with Grammy-winning engineer Luca Bignardi. These presets are not gimmicks—they genuinely shape the sound in musically and vocally appropriate ways, making it easy to match different voices, recording styles, and use cases without post-processing.
Battery performance is one of those aspects you only notice when it fails—and with the SmallRig S70, it simply never does. Each transmitter delivers up to 8 hours of continuous recording, which already covers most full shooting days. The real advantage, however, lies in the charging case. With it, total runtime extends beyond 40 hours, allowing two to three days of real-world use without ever reaching for a power outlet. Charging is fast, predictable, and reliable. In daily practice, this means fewer interruptions, less gear management, and complete confidence that the system will be ready whenever a shoot—or a client—demands it.
What ultimately makes the SmallRig S70 special is its philosophy. Traditional wireless microphones often feel like a necessary compromise—functional but visually intrusive. The S70 removes that compromise entirely. It respects the frame, the subject, and the creator’s intent. The microphone does its job silently, without calling attention to itself, allowing the audience to focus on expression, emotion, and storytelling rather than equipment.
After extensive real-world use, the SmallRig S70 Ultra-Thin Invisible Wireless Microphone has earned a permanent place in my daily workflow. It is one of the rare audio tools that successfully combines discretion, reliability, and professional-grade sound without complexity. This is not just a wireless microphone—it is a thoughtfully engineered system for modern creators who care about clean visuals, natural performances, and dependable audio. While other microphones announce their presence, the S70 chooses to disappear—and that, in practice, is its greatest strength.
SmallRig S70 Wireless Microphone Main Features
– Professional Audio & Button Size: SmallRig S70 Micr featuring a semi-concealed design with a nitinol memory-alloy clip structure, the exposed components measure only 8.8 × 29mm (0.3 × 1.1in) and the entire unit weighs a mere 8.6g (0.3oz). When clipped to a collar, it remains nearly invisible and unnoticeable—without affecting clothing or appearance—making it an excellent choice for users who demand both high audio quality and a clean on-camera presence.
– Pro-Tuned Vocals – 9 Preset EQs for Flawless Clarity: The SmallRig microphone S70 is expertly tuned by Luca Bignardi, an award-winning sound engineer recognized by The Recording Academy. His nine custom preset EQs enhance vocal clarity and purity across various voice types and recording conditions.
– 48hrs Use – Power for Days: The SmallRig microphone S70 offers up to 8 hours of continuous use on a single charge, and when paired with the charging case, the total battery life extends to over 40 hours—sufficient for 2 to 3 days of operation without needing to recharge.
– Lightweight & Move Without Limits: SmallRig S70 Wireless Mic is designed for creators who shoot everywhere, the SmallRig S70 is your all-in-one mobile studio. Featuring an impressive 984ft (300m) wireless range, its lightweight, portable design and classic aesthetic are built for life on the move—perfect for vlogging, travel filming, interviews, and live streaming across all your devices.
– Studio-Quality Sound in Your Pocket：Whether you’re recording a podcast at home, capturing vocals on the go, or interviewing outdoors, the SmallRig S70 delivers studio-level audio right in your pocket. Equipped with a professional audio chip, it supports 48kHz/24-bit high-resolution recording—preserving vocal warmth, texture, and emotion with stunning accuracy. The built-in auto limiter prevents clipping and distortion, even during sudden loud moments, so your voice stays smooth, clear, and consistently professional.
– Pro-level Noise Cancellation, Focus on your voice： Struggling with traffic, crowds, or room echo? The S70 Wireless Mic adapts to you. With 3 intelligent noise reduction modes, it cuts out unwanted sounds in bustling cafes, busy streets, or live events—keeping your voice crisp and upfront. Adjust 5 levels of gain for quiet whispers or energetic presentations, and switch between 3 mix modes tailored for solo recording, interviews, or voiceovers. It’s like having a sound engineer in your pocket, ready to perfect your audio in seconds.
– One RX for All Your Connections: The system of SmallRig S70 mic includes RX receivers with USB-C, Lightning, and 3.5mm connectors, ensuring broad compatibility with most mainstream smartphones and cameras. *Compatibility Note – SmallRig Mic S70 is compatible for Android smartphones and tablets with USB-C ports; for iPhones and for iPads with Lightning ports; for Cameras with 3.5mm audio input; for Computers with UAC-compatible ports; for Select Insta360 camera models with USB-C ports; Select for DJI Osmo series camera models with USB-C ports.
SmallRig S70 Wireless Microphone Highlights
– Ultra-Thin & Truly Invisible: 8.8mm logo-free design that virtually disappears on camera. Optional colorful mic heads to match clothing and blend in, making it ideal for weddings, films, live streaming, interviews — any scene requiring discreet recording.
– Pro 360° Sound Capture: Features 48kHz/24-bit HD sampling with 120dB SPL and 70dB SNR. Delivers crystal clear, distortion-free audio in any environment — preserving natural sound details with professional-grade precision.
– Smart Noise Reduction & Pro Modes: 3-level intelligent noise reduction plus auto limiter for cleaner audio. Instantly switch between Mono, Stereo, and Safety Track modes — balancing flexibility and professionalism for any recording scenario.
– Tuned by a Grammy-Winning Engineer: Professionally calibrated by Grammy-winning engineer Luca Bignardi. Features 9 studio-ready EQ presets for voice, singing, and instruments — delivering polished, studio-grade sound without expensive gear.
– All-Day Power, Premium Build: 40-hour battery for continuous shooting, no power anxiety. Durable metal body with sleek finish ensures both reliability and professional style for long-term use.
Real-life scenarios where SmallRig S70 Wireless Microphone can be quite useful
– Travel Vlogging & Walk-and-Talk Content. When filming on the move, especially in busy cities or open landscapes, the S70’s stable wireless link and invisible design let you speak naturally while walking—without cables, dropouts, or visual distractions.
– 360° Camera Recording (Insta360 / Action Cams). Paired with devices like the Insta360 X5, the S70 is ideal for 360° shots where everything is in frame. Its ultra-thin, logo-free design keeps the mic completely out of sight while maintaining consistent audio.
– Interviews with Non-Professional Subjects. Guests who aren’t used to microphones often become stiff or self-conscious. The S70 disappears on clothing, helping interviewees relax and speak more naturally—resulting in better storytelling.
– Wedding Films & Event Videography. Formal attire demands discreet audio. The S70 blends seamlessly into suits and dresses, capturing vows, speeches, and reactions without ruining the aesthetic of once-in-a-lifetime moments.
– Corporate Videos & Executive Interviews. Clean visuals matter in business content. The S70 keeps frames professional and uncluttered while delivering broadcast-quality voice capture suitable for presentations, internal communications, and marketing videos.
– Educational Content & Online Courses. For teachers, coaches, and trainers recording long sessions, the S70 offers reliable audio, long battery life, and consistent vocal clarity—without forcing constant mic adjustments.
– Live Streaming from Mobile Devices. Whether streaming on YouTube, Instagram, or TikTok, the S70’s plug-and-play receivers and noise reduction ensure your voice stays clear, even in unpredictable environments.
– Outdoor Filmmaking & Travel Documentaries. With included furry windscreens and strong noise handling, the S70 performs reliably in wind, traffic, and open spaces—perfect for outdoor narration and documentary-style work.
– Run-and-Gun Journalism. Journalists working under time pressure benefit from the S70’s fast setup, stable range, and ability to move freely while maintaining clean dialogue.
– Podcast Recording on the Go. For creators who don’t want to be tied to a studio, the S70 delivers studio-grade sound in cafés, hotel rooms, or temporary setups—without post-production headaches.
– Fitness, Coaching & Instructional Videos. Movement-heavy content often breaks traditional mic setups. The S70 stays secure during motion, ensuring consistent audio during workouts, demonstrations, or coaching sessions.
– Behind-the-Scenes (BTS) Production. Capturing candid moments during shoots requires unobtrusive gear. The S70 records clean dialogue without drawing attention or interrupting the workflow.
– Remote Meetings & Professional Calls. Used with a computer, the S70 dramatically improves voice clarity in virtual meetings, interviews, or online conferences—projecting professionalism without bulky headsets.
– Fashion & Beauty Content Creation. Visual presentation is critical in this space. The S70 avoids ruining styling, makeup, or framing, and optional mic covers allow subtle coordination with outfits.
– Multi-Day Shoots & Travel Assignments. With over 40 hours of total battery life via the charging case, the S70 is ideal for extended projects where access to power is limited and reliability is non-negotiable.
SmallRig S70 Wireless Microphone Specs
Brand: SmallRig
Model: S70
SKU / ID: 5714
Product Type: Wireless Microphone
Design Philosophy: Invisible, logo-free, ultra-thin professional audio system
Microphone Type: Omnidirectional condenser
Sampling Rate / Bit Depth: 48kHz / 24-bit
Maximum SPL: 120dB
Signal-to-Noise Ratio (SNR): 70dB
Frequency Response: 20Hz – 20kHz
Audio Modes: Mono / Stereo / Safety Track
Noise Reduction: 3-level intelligent noise cancellation
Gain Control: 5 adjustable gain levels
EQ Presets: 9 professional presets
Sound Tuning: Tuned by Grammy-winning engineer Luca Bignardi
Auto Limiter: Yes (prevents clipping and distortion)
Wireless Technology: 2.4GHz digital transmission
Operating Frequency Band: 2400 – 2483.5MHz
Maximum Wireless Range: Up to 300m / 984ft (line of sight)
Latency: Ultra-low (real-time monitoring suitable for video)
Compatibility: Android devices with USB-C, iPhone & iPad with Lightning port & Cameras with 3.5mm TRS audio input, Windows PC & macOS PC (UAC compatible), select Insta360 models (USB-C) & select DJI Osmo series models (USB-C)
TX Transmitter Battery Life: Up to 8 hours continuous recording
Charging Case Total Runtime: Over 40 hours (2–3 days of real-world use)
Battery Type: Built-in rechargeable lithium battery
Charging Interface: USB-C
Charging Behavior: Automatic power on/off when removed/returned to case
Charging Case Dimensions: 94.0 × 52.0 × 40.4mm / 3.7 × 2.0 × 1.6in
TX Transmitter Dimensions: (Rear): 37.15 × 25.0 × 9.38mm / 1.5 × 1.0 × 0.4in (with titanium wire) & (Front): 29.15 × 8.6 × 6.83mm / 1.1 × 0.3 × 0.2in (with titanium wire)
Smartphone RX Receiver Dimensions: 42.6 × 16.7 × 8.9mm / 1.7 × 0.7 × 0.4in (excluding connector)
Camera RX Receiver Dimensions: 43.0 × 23.0 × 12.0mm / 1.7 × 0.9 × 0.5in (excluding cold shoe mount)
Lightning RX Receiver Dimensions: 42.6 × 16.7 × 8.9mm / 1.7 × 0.7 × 0.4in (excluding connector)
Package Dimensions: 122.0 × 115.0 × 54.0mm / 4.8 × 4.5 × 2.1in
Charging Case Weight: 129.2g / 4.6oz
TX Transmitters Weight: 8.8g / 0.3oz
Smartphone RX Receiver Weight: 5.9g / 0.2oz
Camera RX Receiver Weight: 12.5g / 0.4oz
Lightning RX Receiver Weight: 6.0g / 0.2oz
Package Weight: 220.0 ± 5.0g / 7.8 ± 0.2oz
Material(s): ABS + PC, Nitinol (Nickel–Titanium Alloy), Silicone
Regulatory Notes: Weak Magnetic Properties | UN3481, UN3480
Package Content
1 x Charging Case
2 x TX Transmitters
1 x USB Type-C RX Receiver
1 x Lightning RX Receiver
1 x Camera RX Receiver
2 x Furry Windscreens
1 x USB-C Charging Cable
1 x 3.5mm Audio Adapter Cable
1 x Multi-language User Manual
1 x Carrying Bag
1 x Packaging Box
Photo gallery full album here. Official website here. Read more about SmallRig devices here.
About SmallRig. Since SmallRig was born in 2013, we have been in close communication and working hand-in-hand with users for over 10 years. As a result, we have developed 4 major user-oriented product lines, which are widely used in a variety of fields such as live broadcasting, vlogging, short videos, weddings, professional commercials, radio and TV, documentaries, and Hollywood filmmaking. Every idea, design, and product we create is inspired by and created for our users. With the user’s voice in mind, we launched our “User Co-design” mode first in the industry and the DreamRig free customization project, allowing us to unite with global creators and use our small rigs to make big dreams come true. In the future, we will continue to grow alongside our users, with user needs at the center of our focus for product development and production. We will also be actively creating a passionate, authentic, creative theme community for global creators to communicate, learn, share, and showcase their work, encouraging exchange, cooperation, and inspiring creativity. In our low-carbon commitment，we use eco-friendly soy ink and fully biodegradable kraft board packaging. Lighter weight, and global recyclability minimize impact. Small steps for a greener, better tomorrow.
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