We are offering portable mini bluetooth speaker with touching controlling key.Portable multifunctional wireless mini bluetooth speaker with touching controlling key built-in bluetooth rf wireless module, meets the latest bluetooth 2.1+edrstandard support bluetooth stereo sound, perfect sound quality, outstanding basseffect support iphone, ipad and all telephones which have bluetooth function audio transmission distance is 10m based on no any barriers all controlling keys are operated by touching power supply mode:built-in lithium battery usb cable power supply.with bluetooth hands free function, built-in high fidelity chip, can answer calls with 3.5 stereo audio jack, can connect into many device: laptop , computer, telephone.mp3mp support miro tf card with fm radio funcitons.