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

Description:? This product has a superior Bluetooth wireless technology that allows you to switch between listening to your favorite tunes and making calls on the go! Works with your Bluetooth-enabled Smartphone's， tablet or mp3 player. Enhanced voice detection and noise cancelling microphone makes hands-free calling simple and easy! Compact and simple design - directly plugs into the AUX port on your in-car sound system. With this product， you can greatly enjoy your music and picking up the call. It is perfectly suitable for the car owners. You will love it! Buy it today! You can’t miss it!? Note for Apple Users: If you are having Bluetooth connectivity issues， please try resetting the Network Connections. Go to SETTINGS > GENERAL > RESET > RESET NETWORK SETTINGS.? Auto-pairing makes initial set up hassle free.Features? Supports Bluetooth V3.0+EDR and Bluetooth 2.1， Bluetooth 2.0， 1.2， and 1.1 backward compatibility.? Operating range 10m-20m (Depends on environment).? New Arrival with 3.5mm Audio Output Jack.? Can answer calls.? Supper low power charge standby.? LED indicator.? Micro USB charging.? Share your music wirelessly from mobile phone， Notebook， PC， tablet PC， for iphone and other Bluetooth device when connect with Aux speaker.? Built-in microphone with Bluetooth hands free function.? It will redial after press the button twice.? Built-in high capacity lithium battery 100mAh.Specification? Size:5.0 x 4.0 x 1.1 cm? Package Weight:2.2 oz/62g? The USB cable length:100cm? Battery Capacity:100mA/3.7V? Frequency range 2402MHz-2480MHz? Noise Rtio:>75dB? Color:BlackHow to use? Plug the car kit into the auxiliary input of your vehicle. If necessary， use the audio dock to relocate your auxiliary input to a more accessible location. Using the car speaker to enjoy music and the phone call. NOTE:Please charge your device before first time to use. Otherwise some functions will not work. Package Included? 1 X Bluetooth Receiver? 1 X Micro USB charging cable? 1 X User Manual