Product details of Original Xiaomi Roidmi 2S Smart Bluetooth Car Charger & FM Transmitter: Model Name: ROIDMI 2S Model: Roidmi 2S Fuction 1: Hands-free Call Fuction 2: Background Noise Reduction Chip: AnaNaviTek Compatibility: Android 4.2 and above systems, compatible with iOS8 and above Hand-free calls,music playing,navigation broadcast,car charger,battery monitor 5 in 1 Double mode of bluetooth 4.2 chip,conversion effeciency is up to 95% Wireless projection,automatic connection MIC version car charger,bluetooth phone,safe and convenient Listen to massive high-quality network audio at anytime Fully upgraded APP,you can fell more suprise continuously Intelligent background noise reduction High-quality circuit main control chip from AnaNaviTek High-quality stainless steel,more safe full touch clamping electrode technique Intergrate into the car interior style Disposable seamless injection molding Car gauge retardant anti-aging High standard retardant,effective prevention of the fire hazards Average normal working time is up to 20 thousand hours Compatible with mainstream brands