WATCH WITH 4G NOISE CANCELLATION RECORDING FUNCTION The moisture meter can quickly measure the moisture content of the grain. 1. 360 degree stereoscopic recording: with a very sensitive condenser microphone, 360 degree surround sound all around, making the sound clearer. 2. DSP Noise Reduction: Using DSP acoustic noise reduction module, with highly sensitive microphone, left and right channel noise reduction technology, filtering noise from source and restoring clear sound. 3. 4. Native file deletion function: Connect matching line headphones to the digital recorder, then delete the files locally. 5. One-click recording: Simple operation, just one click to start recording. Suitable for business meeting records, student research notes, audience call recordings, etc. ⏩Specification: Item Type: Watch with Voice Recorder Material: ABS, LCD screen Gross weight: 135 g / 4,8 oz Format recording: WAV Standby time: 30 days Charging time: about 2h Built-in lithium polymer battery: 300 mAh ⭕List of packages: 1 x watch with voice recorder 1 x User Manual 1 x Charging Cable 1 x Headset Open the switch and use it.