Product Name: LCD Screen 3.5mm Audio Plug USB Car Charger Wireless FM Transmitter Model NO.: Wireless FM Transmitter Car Charger Format: MP3 Audio Output: Digital Audio Coaxial Voltage: 12/24V Certification: CE Placement: Dashboard Combination: MP3 / MP4 Players Type: Car Radio Size: 56.2*35.5*11.5 mm Weight: 35 G Material: ABS Color: Multi Colors OEM: Available ODM: Available Trademark: OEM Transport Package: Plastic Bag/Paper Box Specification: 1 pc/bag Origin: China HS Code: 8522909100 Product Description This Wireless FM Transmitter Radio Adapter Car Kit with 3.5mm Audio Plug and USB Car Charger utilizing state of the art FM transmission technology, this unit allows you to make hands-free phone calls and listen to music over your car stereo system. It features easy installation and is universally compatible with any devices with a 3.5mm jack. Compatible devices include smartphones, tablets, PCs, MP3 and MP4 players.As an added bonus it comes with an extra USB port to charge your device simultaneously.Specifications:NameWireless FM TransmitterWeight35gColorBlackFrequency range88.1-107.9Mhz(0.1Mhz/step)FunctioinFM Transmitter+Car ChargerSize56.2*35.5*11.5 mmInputDC 12V(Vehicle power)Feature:1.High quality stereo: Advanced audio codec chip guarantees high sound quality.2.Functionality: Simultaneously charges your device hands free through the USB port, while transmitting audio for music and phone calls through a 3.5mm audio jack.3.Easy to use: easy to read display and simple button control.FAQ:1) Does this work without an audio jack in your car?Yes, it does work. It does not need an audio jack in the car, but your car must have the capability of picking up FM radio signals.2) How does the FM transmitter work?Follow these three steps:(1) Plug the FM transmitter into the cigarette lighter socket to power on the transmitter.(2) Plug the audio jack into an audio player (e.g. a smart phone, MP3 player).(3) Tune the radio station to a non-broadcasting frequency and then set the FM transmitter to the same frequency.Pictures: