... for all cell phones within bluetoothseven colors to choose:black,red,white,silvery,yellow,green,bluerecall the last phone ... -20mSupport agreementsHSP,HFP,A2DPMatching the password0000Compatibility multi-brand mobile phones to connect withPower CharacteristicsBattery capacity900mACharging time2hoursWorking current40mAStandby ... *310*170mm,30PCS/box,about 7kg bluetooth handsfree speaker for car