3.5 mm FM Transmitter and Audio Adapter Charger for All Smartphones Top Quality 3.5 mm FM Transmitter and Audio Adapter Charger for All Other Smartphones such as iPhone 6, 6 Plus, 5S, 5C, 5, 4S, 4, iPod, Samsung Galaxy S5, S4, S3, Note 4, 3, 2, HTC, LG, Sony, Motorola, Nokia and more COMPATIBILITY - iPhone 6, 6 Plus, 5S, 5C, 5, 4S, 4, iPod, Samsung Galaxy S5, S4, S3, Note 4, 3, 2, HTC, LG, Sony, Motorola, Nokia and other Smartphones FUNCTION - This gadget can wirelesslly play and transmit MP3 files to your FM radio sound system by frequency. You can easily attah this to any device with 3.5 mm audio output. OTHER FEATURES - It is rechargeable so you can play music for hours on your car stereo. It also has a LED display screen and optimizes sound quality. HANDS FREE CALLING - Has a hands-free calling system to allow calls while driving and to ensure you and your passengers' safety.