Dland FM Transmitter with Dual USB Charging, Music, and hands-free functions. Multifunctional Design 5 in 1:Wireless Bluetooth in-car Multifunction FM Transmitter enables you to do Hands-free calls, enjoy clear music, GPS voice navigation, charge your device. Better for empty channel. With built-in microphone, Built-in FM transmitter, full frequency: 87.5-108MHZ; Wirelessly transmit phone call and music from Bluetooth mobile phone to the car FM stereo system. USB charging port for charging mobile phones and other devices (output: DC 5V/1A). Guarding your driving:Built-in Microphone,you can makes hands-free calls easy while driving.Enjoy your safety driving. Compatible with iPhone 6 6+iPad Air, iPad Mini 2, Samsung Galaxy S4/3, Samsung Galaxy Note 3/2, Nexus 5/4, HTC One, Blackberry and Android, Blackberry & Windows Smartphone