Item Type: Voice Activated Recorder WatchMaterial: Silicone, Zinc AlloyRecording Format: WAV MP3Music Format: MP3 WMA WAVResolution: LCM 172x320Built in Polymer Lithium Battery: 200mAhPackage List1 x Voice Activated Recorder Watch1 x Charging Cable1 x Manual 1 x Earphone 1High Definition: Digital voice activated recorder watch has 1.47 inch HD IPS screen with 172x320 resolution, zinc alloy, bracelet style, and supports Bluetooth transmitting. 2Multifunction: Digital voice recorder watch adopts one button recording, timer recording, noise reduction AGC, with video playback, e book, picture browsing and other functions. 3Loop Recording: Digital voice recorder watch adopts PCM recording 2072Kbit, optional voice control recording 50DB, automatic split recording, loop overlay recording. 4Long Standby Time: Digital voice recorder watch continuous 4050 hours recording, standby 30 days, with time stamp, recording file name named after time. 5Multiple Formats: Support MP3", "WMA", "WAV", "AAC", "FLAC", "APE", "AVI" "TXT", "JPG", "JPEG", "BMP", "GIF", "LRC", "ASF", "OGG", "WMV", "AMV", playback, support fast forward and backward playback .