... Finish,Pass-through USB,Specification:Color:black,red,whiteCapacity:Lithium battery,1500mAhProduct size:129*63.8*17.3mm,Gift ... Quick Speed,Soft-Touch Finish,Pass-through USBSpecification:Capacity:Lithium battery,2000mAhUp to 8 add'l hours talk time ... Powerful and Safe Battery Cell Built in overcharge, short-circuit and temperature protection. Latest in lithium .5) Light LED Battery Status Indicator.6 ...