Findway BTL-004 Wireless Bluetooth Handsfree Car Kit with Cigarette Lighter and Charger Adapter for Smartphones and Tablets This FM transmitter works well with any devices with Bluetooth function. With the special split type design, this Bluetooth FM transmitter is adjustable to any angle and to fit all types of vehicles. Faster charger .Built-in chargeable lithium battery up to 5V/2.1A, you can charge your devices such as iPhone6 plus,iPhone6,Samsung,etc. Connect with your smartphone or MP3 player through Bluetooth. Bluetooth Transmit Distance: Up to 30 feet (to get the best audio quality, we recommend to use the Bluetooth transmitter within 20 feet.)