Wireless modulator with Bluetooth is a universal Bluetooth hands-free kit,Charger in the car. Thanks to a high-quality Bluetooth module, a decoder in the FM modulator, it can wirelessly transmit high-quality sound from mobile phones, micro SD cards, or USB. If the device is used with a mobile phone, incoming calls are automatically redirected to the car’s audio system speakers and you do not need to be distracted from driving. The sound of the music will be restored automatically, immediately after the end of your telephone conversation. High quality microphone. High quality FM transmitter for high quality stereo sound. Support for playing stereo music from phones and uusb device DSP - Digital audio signal processing (noise reduction and echo cancellation). Automatic scanning of radio frequencies. Features: High quality FM transmitter for high quality stereo sound. Support for playing stereo music from phones. DSP - Digital audio signal processing (noise reduction and echo cancellation). Automatic scanning of radio frequencies. High quality microphone. Audio input (CD, MP3, AUX). Read MP3 / WMA formats. Automatic memorization of the last track and melody. Bluetooth interface: Version 2.1, Class 2, 10 meters. Support Bluetooth profiles: Hands-Free FM range: 87.5 - 108.0 MHz (open frequencies). Voltage: 12 V Support: USB, micro SD LCD display.and value for money