Ugreen Bluetooth Fm Transmitter Car Charger (Model Cd229)

Total output power: up to 31.5w usb-c port: 5v/3a, 9v/2.22a, 12v/1.67a usb-a qc port: 5v/3a, 9v/2a, 12v/1.5a usb-a standard port: 5v/1.5a (also supports usb flash drives) bluetooth version: 5.0 fm frequency range: 87.5–108 mhz (100 khz steps) supported audio formats: mp3, wma, wav, flac power input: dc 12v–24v transmission distance: up to 5 meters display: led screen for voltage and frequency weight: approx. 50g features triple charging: charge up to 3 devices simultaneously hands-free calling: built-in mic with one-touch call control music playback: stream via bluetooth play from usb flash drive or tf/microsd card (up to 128gb) navigation audio boost: amplifies gps voice through car speakers safety protections: over-voltage, over-current, short-circuit, and over-temperature protection