Xiaomi MI Roidmi 3S Car charger & Bluetooth Player, FM Transmitter, Black

Dual USB ports 5V 2.4A can charge for two devices at the same time, single max output 3.4A

Be safe for driving, battery voltage detection:

When car voltage is abnormal, the red warning light of ROIDMI 3S will keep flashing and it will produce alarm sound, meanwhile, phone data of APP will synchronously display it, double reminding, be safe for driving

Smaller design but multi-functions:

Music player / FM transmitter / car charge / battery monitor for car / GPS navigation broadcast / APP smart remote

Easy to use:

FM frequency: 87.5 – 108.0MHz