Superior audio decoding with SBC High Definition audio and a steady signal connection with Bluetooth 5.0 are features of the Rock B700 In-Car Bluetooth Player. You can enjoy your music in clarity thanks to its strong compatibility with TF cards up to 32GB and its oxygen-free, pure copper transmission for anti-interference. With a 1.4m cable length and high-resilience material, you can effortlessly connect two devices and switch between them whenever you want. With the automatic connection when you start your car, you can enjoy hands-free calling and never miss a turn.