Description The Bluetooth 5.0 chip adopted by this car transmitter provides an ultra-secure connection between your mobile phone and the Bluetooth FM transmitter, and there is no delay in simultaneous transmission. Support 2 mobile phones to connect to Bluetooth at the same time, seamlessly switch between listening to music and calling. Built-in high-sensitivity microphone, the call is clear and smooth. Answer/reject/hang up/hang up/last number redial with one key. Support iOS/Android/Windows smartphone tablet music software (APP) to play music, compatible with various music APPs and audio APPs. Support TF card/U disk plug and play, the playback priority level is Bluetooth-U disk-TF card, the default bluetooth mode is turned on, and the U disk (TF card) can be inserted to play music. Support MP3, WMA, APE, FLAC, WAV and other audio formats to play. The digital display screen monitors the battery voltage in real time, and the screen will flash when the battery voltage is too low, so that you can know the status of the car battery in advance. USB-1/Type-C supports PD3.0, PPS, QC3.0/QC4.0, Huawei SCP, FCP, MTK PE+ and other fast charging protocols. Fully compatible with 12V/24V car series. Reminder: Do not use large trucks/large locomotives whose actual voltage is greater than 24V. Material: PC, ABS Color: Black Size: 3.6 x 4.9 x 7.1cm Weight: 60g Package List: 1 x Car FM Transmitter