xiaomi roidmi v 2 bluetooth handfree system with FM modulator

This device transmits HIGH QUALITY stereo audio from your portable music player (such as iPod, MP3, CD Player, PDA, PC, Laptops, etc) directly to your car's radio or home radio. 

This device fits all 12 V car plugs.
Thanks to ROIDMI application it tunes to the Clearest FM frequency automatically to enjoy your digital music with the deepest low and highest high frequencies. You've been never enjoyed this before!
Simply plug FM Transmitter into the 12 V car plug and connect it with your transmitting and broadcasting device.
Just tune your car radio into offered FM channel and it will let you enjoy music from your portable music player through the car's radio with HIGH FIDELITY SOUND. 

1)Roidmi Features:

Original for Xiaomi ROIDMI 5V/3.1A car charger adapter
3.1A total large output current for fast charging
FM transmitter and car charger
Short-circuit protection
Input: 12 - 24V, 0 - 2.4A
Output: 5V 2.1A, 5V 1A
Output power: 15.5W
FM: 87.5 - 108MHz
Bluetooth: V4.0 or above
Compatibility: Bluetooth 4.0 smartphone with Android 4.0 or above system
Connect with your smartphone via Xiao mi Smart Home APP
APP for Android system only,can't support IOS system now