Product Name: Bt66 Wireless Bluetooth Car-Styling FM Transmitter with Dual USB Charger LCD MP3 Player Radio Adapter Remote Control Model NO.: bt66 Format: MP3/WMA Audio Output: Digital Audio Coaxial Voltage: 12/24V Certification: CE, RoHS, ISO, SASO, FCC, BQB Placement: Dashboard Combination: MP3 / MP4 Players Type: Car MP3 Trademark: FOXDAK Origin: China Product Description BT66 Wireless Bluetooth Car-Styling FM Transmitter with Dual USB Charger LCD MP3 Player Radio Adapter Remote ControlFeatures:1.Wirelessly transmit phone call from Bluetooth mobile phone to the car FM stereo system;2.Dual USB output to charge other devices (DC 5V/2.1A).3.Supports USB/SD/AUX-IN;4.Switch to Hands-free mode automatically from music playing status when receiving calls; 5.Draws power from the cigarette socket in the car (DC 12V/24V); 6.With LCD display;7.206 channels optional from 87.5-108MHz8.With remote controller .Three colors (red, blue, Silver) choice, when buying, please indicate the color of the need.Specification:Bluetooth version: JL ICFrequency range: 87.5 - 108MHZFrequency stability: 10ppmlProduct input: 12 - 24 VCharger output: 5V/2.1A(in total)Music format: mp3, wmaUSB(Max capacity): 32GBSD Card(Max capacity): 32GBAudi input: 3.5 mm stereo jackTransmit Distance: 10 mpacking accessories:1 x Bluetooth FM Transmitter Car Charger1 x Remote Controller1 x User Manual( No box )