FEATURE AND USE - Features 8GB of internal memory and stores up to 93 hours of recording, full charge can support 10 hours of continuous recording, great recording device for lectures, classes, speeches, interviews or meetings. VOICE ACTIVATED - The recorder will start recording when a sound is detected. It will automatically start and stop recording and help only record what you need. MP3 PLAYER AND COMPATIBLE With Mac or PC - Built-in MP3 Player and you will be able to play music and play back your recorded files, the recorded files can be easily played with any device and fer to Mac or PC. (Note: Mac users need VLC Media Player, which is a free download). SIMPLE AND EASY TO USE - Switch the recorder to "ON" and instantly begin recording! Plug in headphones and enjoy your recordings! SUPERIOR RECORDING QUALITY The voice recorder records at 192kbps and captures up to 20 ~ 50 ft. Capture clear and clean audio that you can listen to by using the included earphones! MULTIPLE FUNCTIONS - This voice recorder has instant playback mode, advanced noise reduction, and voice activated recording to give you the best audio quality possible no matter what you want to record. UNIQUE DESIGN - Attach the voice recorder to your keys or use as a key chain! The clean and simple design makes it perfect for covert recording. Supported format types are MP3, WMA and WAV files. Battery Capacity:3.7v/460mAh Recording format: MP3/WAV/ACT Recording distance: 8 Meters Colour:Silver Material:Aluminum alloy Package Contents: 1 x Voice Recorder Keychain 1 x English User Manual 1 x USB Cable 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.