Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Power supply: 5V DC， 100-240V AC adapterAudio Interface: 3.5mm/0.14inBluetooth 1.2 specification compliantDistance: appro 12-15 mPackage Included: 1 XBluetooth Reciever1 X USB CableThis device is a Bluetooth music receiver. Streaming Music from your audio devices. Not use for answering phones.This is a Bluetooth music receiver， not a Bluetooth transmitter. It can add Bluetooth transmitting function to your electronic devices， and help to transmit audio to your Bluetooth headphones;Pair to Non-Bluetooth audio source in order to add Bluetooth ability. You must connect it to a Bluetooth Stereo headset.Control lay/pause forwards and backwards on the original device， not the headset.