The VRrobot model BC-79 is a wireless hands-free FM transmitter that is Bluetooth compatible and uses fast USB charger technology to charge your model devises as you are driving down the road. It has intelligent voltage monitoring system to monitor the vehicles battery charging condition at all times. It works in 12v or 24v DC electrical systems. It uses Bluetooth 5.0 version that provides you with hands-free calls. The transmitting frequency is 87.5 to 108 MHz, and the output current is 3v at18w DC. Some of the other feasters are MP3 compatible, has TF card slot, voice assistant system, aux output port, and is a U-disk stereo audio player.

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