Description: 1.5" LCD screen car MP3 player Equipped with caller ID function Supports Bluetooth speakerphone Adopts call echo cancellation and noise suppression (CVC) technology Automatically switch from music player to call mode Equipped with stereo Bluetooth and FM transmitter technology Supports USB flash drive/ SD card Supports external CD, MP3 player audio input Supports MP3/WMA music format Supports automatic power-off memory function Compatible with 20-key remote controller and steering wheel remote controller Note: Support play the music documents in SD card or USB, then transmitter to car audio through wireless system. Support use the 3.5mm audio cable connects your phone, then transmitter to car audio through wireless system. Listening music via bluetooth is just for Nokia phone only, but answering calls for universal phones. Specifications: Model:BT-01 Frequency Response:20Hz-15Khz Supported Format:MP3, WMA (option) Rated Operating Voltage:12 V Ultimate Operating Voltage:9-26 V SNR Ratio > 60dB Left/ Right Channel Separation > 60dB Screen Size: 1.5" Display Type: LCD The first use of a hands-free function to code. Operation method is: open the phone's bluetooth function and search, when the mobile search to bluetooth mobile phones to tie in background operation, and input the initial password 0000 on mobile phone. After the completion of the connection can be through the hands-free and make a phone call Bluetooth Version: 2.0 Bluetooth Transmission Distance: 5 meters Package includes: 1 x FM Transmitter Bluetooth Car MP3 Player 1 x Remote controller 1 x Cable