Professional recording pen chip of ATJ3315D, HD recording_x000D_ Timestamp,Name the recording files by date automatically_x000D_ AGC function, adjusts the noise source automatically_x000D_ Voice Recorder,MP3 player,and USB flash drive_x000D_ Support voice activated recording_x000D_ Detect low battery and save the recording files automatically _x000D_ Playback function: One key to record/save_x000D_ Plug into headphones to listen to music_x000D_ USB adapter_x000D_ Long battery life_x000D_ Built in rechargeable 150mAh lithium battery_x000D_ USB 2.0 connector , easy to upload and download files_x000D_ Recording Format: WAV/192kpbs_x000D_ Music Playback Format: WMA/WAV/MP3/OGG etc. audio format_x000D_ Battery Recording Time: About 15 hours_x000D_ Battery Playing Time: About 10 hours_x000D_ Battery: 150mAh lithium battery Battery charging time: About 2 hours_x000D_ Noise-signal ratio: 80db_x000D_ USB Interface: USB 2.0 High Speed_x000D_ 16GB Saving recording time: About 188H_x000D_ Working Temperature: -5 to 40 degrees_x000D_ Recording Sample Rate: 48KHZ_x000D_ Headphone Jack: USB jack_x000D_ Compatible System: Windows 2000&above_x000D_ Colour:A: Black/B: Silver_x000D_ Material:plastic_x000D_ _x000D_ Package Contents:_x000D_ 1 x Mini Recorder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.