Rock B300 Bluetooth FM transmitter 4.2 USB car charger Intelligent distribution of current for fast charging. Its built-in high-sensitivity microphone provides clear calls. It enables one-touch answer calls, rejection, hang-up calls, and redials.
- Adjustable to any angle, and fits all types of Vehicles.
- Easy Operation.
- Compatible smartphone.
- Charging mobile device.
- Support music play.
- Support hands-free answering the calling.
- FM transmitter.
- 4 in-1 design, FM Transmitter & Car Charger & Handsfree & MP3 Player.
- 1 * ROCK B300 3.4A Bluetooth 4.2 Handsfree Calling FM Transmitter Digital Monitor Dual USB Car Charger