Bluetooth:Bluetooth 3.0， A2DP，HFP，HSP，CSR solution， high quality sound Operate Range: Up to 10M Built-in Microphone:Yes Loudspeaker:40mm， 4�� 3W Built-in Battery: 300mAH， Li-ion battery input power: DC 5V ， 300MA Output:3W(RMS) Function Key:Volume +/-， Dial up/Hang up USB Charger Interface:Micro USB Material: Silicone + Plastic Item size: 6*5.5cm(H * Max.D) Package size:10*6*6cm Package includes: 1xMushroom Bluetooth Speaker 1xUSB cable 1xUser manual color:black，pink，blue，orange