Redesign Bluetooth Fm Transmitter, Breett Car Bluetooth Receiver, FM Radio Stereo Transmitter Car Mp3 Player, Bluetooth Handsfree Calling and USB Charging Port, Model: Car & Vehicle Accessories/Parts With the built-in 200mAh Li-battery, the control hub can work for 2.5H when fully charged. Compatible with virtually most Smart Phones and MP3s/ MP4s. High quality, compact and professional design Bluetooth v4.0 make and receive calls on your phone handsfree while driving Enjoy your favorite music with a superior Hi-Fi sound quality and charge your device at the same Control hub magnetically docked with the DC neck, easy to install and remove, and allows you to The setup instructions of this items and below. 1.Connect the transmitter to hte magnetic