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

Descriptions:This is a dual one transmit and receive Bluetooth adapter， if you use it as a Bluetooth transmitter， it can be your cell phone， walkman， TV， music on computer equipment to make your transmitted wirelessly to the Bluetooth receiver， Bluetooth stereo headphones or Bluetooth speakers and other devices. When as a Bluetooth receiver， it can be used as a stereo Bluetooth headset (only the headphone cable into the 3.5mm) are used with the speakers and other devices， or complete connected audio wireless transmission.Parameter:Bluetooth Version V3.0， Class 2Frequency range 2.402 GHz-2.480GHzHour meter reading (transmitter mode) about 9 hoursHour meter reading (reception mode) for about 6 hoursThe charging time is approximately 2 hoursBluetooth protocol A2DP， AVRCPBattery 160mAh Lithium BatteryCharging power supply 5 V DC， 100-240V AC adapterOperating -10-55Weight 15 gSize 51mm * 27.4mm * 11mmProducts include:1 * Bluetooth hair machine1 * Charging Cable1 * Audio Cable1 * User manual