Feature: 1. [Noise Reduction] Recorder watch built in professional noise reduction chip, real restoration of live sound, as long as you hear the sound can be recorded. 2. [Voice Activated] Voice activated is supported by the recorder watch, with sound automatically recorded, no sound automatically paused, saving power and memory. 3. [Accurate Timestamp] This recorder bracelet can accurately record the generation time and end time of each recording. Suitable for electronic commerce, negotiation, legal forensics. 4. [Rechargeable] Voice recorder wristband can be charged by computer, mobile power and other devices, and supports recording while charging. 5. [Long Battery Life] Rechargeable voice recorder watch with built in 110mAh battery supports 20 hours of continuous recording and 30 days standby. Specification: Item Type: Recorder Watch Material: ABS Recording Format: WAV Playback Format: MP3, WMA, WAV Built in Polymer Lithium Battery: 110mAh. Package List: 1 x Recorder Watch1 x Charging Cable1 x Earphone1 x Instruction Manual