【Better Hands-Free Calling】Answering/redialing/dismissing or ending a call maybe done by just simply clicking a button. This function seamlessly switches between incoming calls and music. A high-performance microphone with Noise Suppression (CVC) technology grants you crystal clear call. Loud voice reports phone numbers and with this you can never miss any important phone call. 【Siri/Google Assistant】UNBREAKcable V5.0 Bluetooth FM transmitter supports voice commands to ensure safe driving, you can stay fully focused on the road by engaging Siri or Google Assistant in making phone calls, sending texts or getting driving directions. This option allows you to get your things done more conveniently and enjoy complete voice-control while driving. 【Bluetooth V5.0 and Wide Compatibility】 UNBREAKcable Wireless Bluetooth Radio Adapter with advanced Bluetooth V5.0 chip provides faster pairing and more stable sound than other normal products in the market. Compared to Bluetooth 4.2, it offers two times higher transmission efficiency, four times higher transmission distance, lower power consumption, and effectively avoid the problems of unstable connection.Widely compatible with any Bluetooth devices as well as any 12-24 V vehicles. 【1-Key Bass Booster】UNBREAKcable Music Player FM Transmitter with a 1-key enhance Bass button, provides you with more powerful music effects. Playing the music via U disk or Bluetooth, provides you the option of enjoying the crystal clear and stereo sound music playing by your vehicle's speakers while immersing yourself in HiFi music. 【PD3.0 Type-C & QC3.0 USB Ports】 20W of charging power enables you to charge your device 4X faster than standard chargers while you are streaming music or video. These ports simultaneously support charging of two devices while offering a better-charging performance. [Attention: Fast charge function only gets activated by solely making use of PD Type-C port or QC 3.0 USB port.].