Bluetooth FM Transmitter, Souldio &trade; Wireless Bluetooth FM Transmitter Radio Adapter, Music Control, Handsfree Calling with Dual USB Car Charger for iPhones, iPods, Samsung Galaxys and Any Bluetooth-enabled Devices(Black) Small and Undetachable Design: Bluetooth transmitter is easy to take out and enjoy yourself Multifunctional Design: FM transmitter Hands-free calls,enjoying clear music,charge your device Utilize echo cancellation and CVC technology: Transmitter provide crystal clear sound voice and talking voice, free from static Dual usb car charger 2.1A and 1A output, makes fast charging for your device Package included: 1*bluetooth FM transmitter, 1*users manual