3 charging ports support charging 3 devices simultaneously. PD3.0 Type-C port with 18W charging power, provides high-speed charging for all Type-C devices. 5V/2.4A USB port can get your USB devices quickly charged. 5V/1A USB Port can read U disk up to 32GB. | This transmitter uses the latest bluetooth V5.0 technology, which can provide a more stable connection and faster transmission,making the singing sound clearer.Besides,the advanced interference and noise cancellation technology (CVC technology) and A2DP function bring a crystal clear sound music and get rid of noise. | Hands-free design makes your driving easier and safer. Our FM transmitter supports voice commands to ensure safe driving, press and hold the white button 3 seconds to activate the Siri/voice assistant,,using Siri or Google Assistant to make phone calls, send texts or get driving directions. Press the FM white button to play/pause/answer/call back, seamlessly switches between incoming calls and music. | This product supports A2DP function, can play music stored in the mobile phone, and is transmitted to the car audio through bluetooth hands-free FM to restore higher quality music effects. | Outlook of the car makes your car more stylish. The flexible neck allows you to adjust the viewing angle. Press and hold the “M” button for two seconds to enter the shutdown mode, short press any button to boot. Note: Shutdown to turn off the digital screen, disconnect bluetooth, turn off the button light, but retain the charging function