Features: 1. Bluetooth 5.0 Voice Navigation, after powering on, automatically connects to the phone's Bluetooth, hands-free calls navigation broadcast, more focused on driving. 2. Bluetooth 5.0 connection stability, reduces signal interference, plays without delay, clearer calls. 3. One button to answer hands-free calls, one button to complete the call to answer, reject, hang up the phone, call the last number. 4. CD-quality sound quality, conquers your ears, high resolution restores more music details, provides CD-quality music experience, driving all the way smoothly. 5. Simple connection automatically connects back, open your phone's Bluetooth, retrieve and connect S-23, next time you open your phone's Bluetooth, you can automatically connect S-23. 6. 10 meters wireless transmission, supports two mobile phones Bluetooth 5.0, built-in antenna design, can achieve 10 meters within barrier-free transmission signal. 7. Supports transmission by adjusting the FM channel or 3.5mm aux port to be the Bluetooth adapter to connect to your mobile phone. If you have the TF card less than 32G, you can insert it to play music without Bluetooth as well. 8. Power failure memory function, memory frequency, track, playback mode, power failure restart, from the beginning of the broken song, play again. 9. LED digital display shows you the FM frequencies, simplifies the process of adjusting it to the right channel. The back sticker that can easily attach anywhere and TPE spring wire to keep your car clean, you will feel in a good mood when you are in your car. Description: Product Name: Car Bluetooth Receiver USB Input: DC5V100mA Transmission Frequency: 87.5-108.0MHZ FM Transmission Distance: 5m Bluetooth Version: Bluetooth 5.0 Effective Distance: about 10 meters TF Capacity Expansion: 32G Audio Format: MP3WAVFLACAPEWMA Applicable Mobile Phones: AppleAndroid, etc. Package included: 1*Bluetooth Player