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

Details:*Flexible metal hose，suitable for all vehicles*As soon as the auto starts， screen displays its battery voltage*Play music from USB disk and TF Card，TF Card reader (can only support 16GB or less)*Audio/music playback via Bluetooth A2DP *Support Bluetooth HFP/HSP，A2DP/AVRCP Profiles*Voice prompts the caller number when a call comes in*Frequency ranges:88.1~107.9MHz*Bluetooth Handsfree function:Full Duplex，DSP(Digital Signal Processing)Technology，CVC technology for echo cancellation and noise suppression*High-performance Stereo codec*Can charge for cell phone with Power switch*Car battery voltage display*DC9~26V wide power supply suitable for variety of carsSpecifications*Frequency channels:88.1~107.9MHz*Transmit distance:5m*Audio format:MP3/WMA/WAV/SBC*SNR:68dB*Distortion:0-1%*Frequency response:20Hz-15KHz*Left and right channel separation:>60dB*Bluetooth version:Bluetooth v3.0*Bluetooth Profiles:HFP/HSP，A2DP/AVRCP*Operation voltage range:DC9~26V*Power consumption:<1W*Operating temperature: -10~70 Degree*Working humidity: 0~95%Package list 1* Bluetooth FM transmitter1* Digital remote control