Upgrade: Signal enhancement, more functions: you can preset 40 favorite radio stations, 13 languages, multiple time display effects, standby display time, screen saver, restore factory Settings, standby state dial and call. Receiver: This machine has DAB/DAB+ receiver, BT player mobile phone hands-free and MP3 player. mission: DAB/DAB+ radio's wireless mitter is mitted to your car radio amplifier via FM. Receive calls and fer music to your car radio via compatible Bluetooth, with support for reading music from TF cards. Line output function: Connect to the car's AUX input for optimal sound quality. The digital audio broadcasting equipment is fully compatible with the DAB ETSI 300 401 standard. Support ETSI TS102 563 DAB+ standard. DAB is the third generation of broadcasting after AM, FM traditional analog broadcasting - digital signal broadcasting. Digital audio broadcasting mits not only audio, but also relevant information (road conditions, weather, news, etc.) and even images. In addition to anti-noise and anti-interference ability, the mission signal attenuation is also low, so that the mission distance of the digital radio station can be longer and the coverage is wider. Provide CD-level stereo sound quality, can achieve "crystal clear" audiograde sound quality, especially suitable for playing "classical music", "symphonic music", "pop music", etc., very popular with professionals. A favorite for musicians, music lovers and audiophiles! It has the advantages of anti-noise, anti-interference, anti-radio wave propagation and fading, suitable for high-speed mobile reception, etc., to ensure the quality of the received signal when fixed, carried and moved. The biggest difference between DAB and traditional broadcasting (FM, AM) is that DAB has the ability to receive multimedia information, including text, data, pictures, images, and even real-time information updates, in addition to the mission quality and technology of CD quality. Ther