... -in Li-battery A2DP Stereo! bluetooth wireless mini speaker Mini portable amplifier speaker bluetooth functionProduct FeatureWireless portable speaker in blue connects with mobile phones, computers, ... crisp, clean-sounding conference calls anywhere--in the office, car, at home, alone, or with a group. It' ... thump of every kick drum, the vroom of every car chase, and the roar of the crowdwith every ...