Features 1. Real chronographic steel body watch with built in microphone for voice recording. 2. Built-in 256m flash memory. 3. Up to 16 hours recording time 4. Can play / record / download from internet all kind of mp3 songs. 3. 4 pin usb round port. 4. More than 9 hours continuous playing time when fully charged. 5. Usb1.1 (maximum 5mbps) usb transmission rate. 6. 20hz to 20khz output frequency rate. 7. 4mw+4mw earphone output. 8. Window98/me/nt/2000/xp operating platform. 9. Built-in hi li-ion rechargeable 150mah/3.7v battery. 10. On board powerful microphone for hidden recording