... productsMeet HFP, HSP, AD2P, AVRCP Bluetooth protocol computer, USB Bluetooth adapter, cell phone, IPAD, MID, etc. ... 600mA rechargeable batteryCharging time2-3 hourscharging powerComputer USB 5V; Output DC 5V 500mA chargerbattery lifeAbout 5 hours ( ... run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); 2013 portable bluetooth mini speaker for MP3 mobile phone and laptop