... Info(1)Output RMS 4W(2W*2)(2)Right/left sound respond frequency 150-18000HZ(3)Signal and noise ratio power ... ,IPOD and cell phone.Apply Bluetooth Wireless high technology equipment, suitable for any Bluetooth wireless high technology equipment, suitable for any ... free function can redial straightly or receive any-call.AccessoriesBlister, Speaker, USB Line, Audio line, Color Card, Introduction