Expanded storage and offline playback: Access up to 32GB of music and files by adding TF cards and USB drives. The wireless car radio receiver provides flexibility beyond network constraints, letting you enjoy your media without relying on internet access. Plug and play in the car: The wireless receiver plugs directly into your car's socket for a hassle setup. It features a large screen with a rotary control design for easy operation, delivering a convenient driving experience without the need for an external power source. Safe driving assurance: The wireless car radio receiver uses intelligent voltage detection to protect your car and equipment. It is designed to be safe for you to use while driving. Easy wireless communication: The adapter's wireless transmission links your phone to the car stereo, enabling quick song changes, call answering, and volume adjustments without fiddling with cables. Use scenarios Daily commute: Store your favorite playlists on a TF card or USB drive and control playback on the large screen while driving, avoiding data usage or connection issues. Long road trips: Rely on offline media and hands calling by pairing your phone with the car stereo, ensuring continuous playback and safer communication on the move. Rental or secondary vehicles: Quickly upgrade a car's audio setup by plugging the receiver into the socket, using wireless streaming for music and calls without complex installation.