Specification: Item Type: Recorder Watch_x000D_Material: ABS_x000D_Recording Format: WAV_x000D_Playback Format: MP3, WMA, WAV_x000D_Built in Polymer Lithium Battery: 110mAh Features: 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. PackageList: 1 x_x000D__x000D_RecorderWatch1 x Charging Cable1 x Earphone1 x Instruction Manual