Описание Описание E19 Smart vehicle mounted wireless FM transmitter car USB playback dual USB 2.4A car charger 1. Wireless specification: Wireless V4.2. 2. L.W.H.: 90*35*35 mm; weight: 38g. 3. Supply voltage: 12V-24V; USB output: 5V / 2.4A. 4. FM frequency: 87.5-108 MHz. 5. Support USB playback (32G MAX); support format: MP3; WMA. 6. After connection to phone Wireless; tune up an empty channel on the car FM; and then tune up the same empty channel on the Wireless transmitter; this way you can connect.