Specifications Product: Smart Car Charger FM Transmitter Model: PD-FM42WBB-BK Input: 12-24V USB-A QC Out: 18W USB-C PD Out: 24W Total Output: 42W USB-A Audio: supports up to 32GB Product Size: 4.6 x 8 x 4.7 cm Product Weight: 38g Bluetooth Version: 5.1 Operating Distance: 10m
