descriptions: This recorder is very well made and easy to use with a single slide switch to start / stop the recorder. It can be used alone inside the pocket or drawer or as a pendant or key ring. Specifications: Memory: 8 go Grey color Battery: built-in li-ion battery Connection: USB2.0 Support System: for Win2000 / XP / VISTA / 7 Size: about 48x28x5mm Weight: about 9g Time of use: 30 hours Charge time: 1 hour Standby time: 68 hours Recording distance: 40 M Default recording quality: 192 KBPS Sampling rate: 48 KHz Music format: MP3 / WMA / WAV Recording format: WAV Characteristics: 1. Keychain and collar shape design voice recorder with 8 GB memory. 2. Supports U disk function, which you can save files and edit on computer. 3. Record and play a button. 4. Automatically change the playback and recording mode, simply plug the USB earphone into play mode, plug it into record mode 5. Recording monitor (real time monitoring recording). 6. Noise reduction chip produces clearer sound recordings. 7. Timestamp: Integrated time synchronization software, improving reliability. 8. Automatic protection against power outages. 9. Supports playback and MP3 listening while recording. 10. Records during charging. 11. Fast playback and fast forward / rewind function. 12. Ideal for interviews, meetings, conferences, etc. 13. Voice Activated Recording (The Digital Voice Recorder only starts recording when the sound is detected and pauses recording when it is quiet, which saves a lot of memory space.) Package Included: 1 x Voice Recorder 1 x USB cable 1 x Earphone 1 x box