NIERBO Bluetooth FM Transmitter for Car, Upgraded QC3.0 & 5V/1A Dual USB Charger Bluetooth Car Adapter Wireless Radio, 7-Color LED Backlit Light, Hands-Free Calling, Silver

Quick Charge 3.0: This FM transmitter may have the latest, fastest and most efficient USB charging technology in the world. Up to 4X faster than standard chargers, it is able to charge compatible devices to 80% within 35 minutes.

Crystal Clear Music Streaming: You can stream music on your car stereo via Bluetooth/ USB Flash Drive (32GB) / microSD Card (32GB). The bluetooh car adapter with advanced noise reduction technology will ensure quality, crystal clear sound. Note: WMA MP3 WAV APE FLAC music formats in USB flash drive or microSD card are supported.

Enjoy Hands-free Calls: This CVC technology provides a stable connection and echo-cancellation can reduce background noises for better hands-free calls. And with amazing hands-free function, you can answer, reject, hand up, redial calls with one button.

7 Color LED Backlit Version: Supporting 7 colors led backlit light, including Red/ Green/ Blue/ Yellowish Green/ Purple/ Cyan. This FM radio transmitter will give you a visually stunning display of colors, which is a nice way to match the colors already in the car. Also making it convenient to use in dark.

Safety Functions: Safety first. This Car FM transmitter is equipped with a voltmeter to show you the condition of your car battery. Voltage should be between 13. 2V to 14. 7V when your car is on and moving. 12. 2V to 12. 8V when your car is parked and ignition is off.

How to connect the Bluetooth FM transmitter : 1. Adjust your car FM frequency to a blank channel (A channel without any broadcast) within 88.1 to 107.9MHz. 2. Adjust the FM Transmitter’s frequency to the same channel: Long press Multifuction button will enter frequency mode, then continue to press the previous/next buttons to adjust the frequency. 3. Bluetooth Connection: Turn on the Bluetooth of your device. Search "NX10" and connect it, or you can directly play music via U disk.