3.5mm Black Car Wireless FM Transmitter For iPhone 5S 5C 4S iPod Samsung Galaxy S4 MP3 Package Content: 1 x Wireless FM Transmitter 1 x USB Cable Effective range: 16.4FT (5m). Cable: 1.95 FT (50cm). FM Transmitter Size: 2.3"*1"*0.4" (6*2.6*1.1cm)