Model Number:spy recorder voice Voice Activated Recording:Yes recording Low power consumption Easy to operate (just plug-and-play,no drive need ) Sutable for classes,lectures,meetings,interviews and etc Continous recording time lasts around 20 hours Weight:about 21g Power Supply:Polymer battery:3.7V 110mAh(lasting about 20 hours after fully charged) Recording Format:WAV,128Kbp 8GB:about 140 hours Support System:Windows2000/XP/vista/7 Flash Memory:8GB(This recorder’s system only support FAT32 format) colour:Black + silver Material:ABS+ metal Size:42mm×18mm×9mm Package Contents: 1 * Recorder 1 * User manual Only the above package content, other products are not included. Note: Light shooting 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.