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

New Bluetooth Handsfree Car MP3 Player Kit Wireless FM Transmitter FM Modulator Stereo Car Audio BTWirelessly transmit phone call from Bluetooth mobile phone to the Car FM stereo systemBuilt-in FM transmitter， full frequency:87.5-108.0 MHzWith built-in microphoneSupport USB disk and Micro SD card， support TF card ReaderExcellent sound quality with digital signal processing solution for echo cancellationDetails:*Flexible metal hose， suitable for all vehicles*As soon as the auto staets， screen displays its battery voltage*Play music from USB disk and TF Card，TF Card reader*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 charger 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%*Size: 8.5 (L)*4.6 (W)*21(H)cm Package list1* Bluetooth FM transmitter1* Digital remote control