Descriptions:

High Quality In-Car Wireless Bluetooth professional-grade FM Transmitter This little gadget with Dual USB Ports Charger, LED digital display screen and Built-InMic, give you safer, more flexible and convenient driving experience of hands-free calling, music enjoyment, quick charge.Specification: Bluetooth version: JL2.1Bluetooth Protocol: AVRCP, HFP, A2DP Screen Display: blue LED digital displayFrequency range: 87.5-108.0MHzFrequency stability : ±10ppml Product Input: 12-24VCharger output: 5V/3.4AMusic Format: MP3, WMA Mic: ∮4.0MM*1.5MMUSB(Max capacity): 32GBFM Transmit Distance: about 5 m Product Weight: 34gProduct DIMENSIONS: L78*Diameter 35mm Material:ABS

Function:Built with a high-performance microphone, with Echo Cancellation and Noise Reduction  (CVC) technology offers you a crystal clear calling and saferdriving.Two music play mode(pair with the phone via specific Bluetooth or Insert USB Disk into  the "Right"USB Port) let you be absorbed in music playing when driving.Built in dual USB ports car charger (up to 3.4A total ) and smart charging IC, automatically detects your devices and charges all cellphone or iPad at optimal speed. Charge two devices simultaneously without damage to the battery. Super compact and portable design with blue LED digital screen display of FM frequencyand car voltage, provides you portable driving travel.

NOTE:Please NEVER use it in these conditions Moist or underwater conditions.Near heater or high-temperature service.With direct and strong sunshine. Never dismantle it without due permission.

Package contents:1x Bluetooth FM Transmitter with Dual USB Charge Port1x User Guide