Brand N/A Model XN-810 Quantity 1 piece(s) Color Black + red Function Handsfree / MP3 player Compatible Cellphone No Phonebook Capacity No Bluetooth Version 2.0 Transmit Frequency 2.4GHz Transmt Distance 10 m MIC Effective Distance No SNR 60 dB THD Frequency Response 20Hz~15KHz Interface/Port TF / SD External Card Max. Support 4GB Screen Size 1.4" Other Features Convert to hand free automatically when there is call; Using wireless transmit MP3 file music from your mobile phone to car sounder; Push in SD card or MMC card to enjoy your favorite music. Packing List 1 x Car MP3 player 1 x Bluetooth hands-free speakerphone (1 x CR2025 included) 1 x Remote control (1 x CR2025 included) 1 x English / Chinese user manual