BT-06 Dual Car Charger LED Universal Fast Charge FM Transmitter Bluetooth Handsfree Receiving Kit Wireless MP3 Music Player Support TF Card U Disk With 1.3 Inch Display, Black

1.[Clear sound quality]:With built-in microphone, it supports hands-free calling to enable you to drive more safely and easily. The high-performance microphone with echo cancellation and noise suppression technology provides you crystal-clear sound quality for calls and music. 2.[Universal compatibility]:Fast-Charging Dual USB FM transmitters are available for most Bluetooth-enabled devices 3.[Voltage detection&intelligent navigation]: Test the battery voltage of your car before driving, and the built-in microphone voice broadcasts real-time road conditions to ensure traffic safety.