**Specifications:**
**Brand:** aigo
**Model:** S21
**Pick-up Pattern:** Omnidirectional
**Frequency Response:** 50Hz-18kHz
**Sensitivity:** -38±2dB
**Signal-to-Noise Ratio:** 68dB
**Charging Interface:** Type-C
**Transmission Distance:** Up to 15-20 meters
**Charging Time:** Approximately 1 hour
**Battery Life:** 4-5 hours
**Rated Voltage:** 3.7V
**Features:**
Professional-grade noise reduction wireless collar microphone
Ideal for live streaming, VLOG recording, and interviews
One-click noise reduction for a real noise reduction experience
Deep noise reduction algorithm to significantly reduce ambient noise
Clear recording of original sound for a immersive experience
Upgraded reverb effect for rich and layered sound
2.4GHz wireless transmission for stable and long-range connectivity
Supports simultaneous charging and live streaming
Long-lasting battery life with large capacity lithium battery
Compact and lightweight design for easy portability
Intelligent compatibility with 99% of smartphone models
Easy to use with simple operation steps
LED indicators for different functions and battery levels
**Operation Instructions:**
1. Connect the receiver to the smartphone.
2. Turn on the microphone for recording, live streaming, or video recording.
3. Follow the button diagram for different functions.
4. Refer to the UI guide for operating modes and status indicators.
**Note:** Specifications and data are based on laboratory tests and may vary due to specific environmental factors.
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