VicTsing Univeral LCD Display Bluetooth Wireless Car MP3 FM Transmitter Modulator Radio Adapter Handsfree Car Kit with Hands-Free Calling, Music Control, Mic, and Charging Port Support USB disc. SD Card. Also Includes "line in" port and 3.5 mm aux. cable for connecting non-Bluetooth enabled devices. Achieve Excellent Sound Quality with D.S.P solution for echo cancellation, and CVC technology for noise supression. Wirelessly Play Music, Make hands-free calls and Charge your device with the advanced Superior design of the FM Transmitter Car Kit Device Compatible with iPhone 6 Plus / 6 / 5S / 5 / 4S / 4 and Android Smart Phones Line-in connector for audio players. There is a 3.5mm to 3.5mm adaptor for your mp3 mp4 player or other compatible audio device that have a 3.5mm audio jack. USB Charging Port Allows you to charge your Smartphone or MP3 Player. Remarks: This device does not play music and charge at the same time;