Description Ultra Slim Hidden Voice Recorder with real ball point pen High clear Recording Quality ALC Function(Automatic Recording Level Control) Rechargeable Battery(LI-polymer,Built-in Charger) Battery Life Time:Rec.=12hrs/Play=8hrs Recording Mode Selector(XHQ/HQ/LP) VOS function (Voice Operating System) ON/OFF Intro Scan,Skip,Search (±20sec,±10mins Select) Auto Scan First, Last File Search Auto Power Off Mode USB 2.0 Auto Recognition (Window 2000 ~ Win 7) Battery Indicator : LED Display Key Function: Recorder:Rec. & Play, Wired R/C:Play/Play Pause/Stop/Erase/FF/REW/Mode/Hold/Volume Output : by Earphone Dimensions:Φ11.4×135mm, 18g