Features:1.Bluetooth V3.0 + EDR version、 clear sound、 easy to use.support connecting two communication devices simultaneously.2.180¡ã rotation、 easy to adjust to the optimal angle you want3.Connect to the phone via Bluetooth、 and connect to the car audio device via FM radio、 then you can play music from mobile phone via the car audio device.4.Equipped with a USB charging port for charging portable devices5.Powered via the cigarette lighter port   Specificatons:Color: BlackMaterial: ABS shellProduct size: about 100 x 45 x 45 mmPackage size: about 100 x 60 x 48 mmProduct parameters :1. Car charger input voltage: DC 12-24V2. USB output voltage: DC 5V3. Output current: 1000mA (MAX)4. Bluetooth version: V3.0 + EDR CLASS 25. Frequency: 20Hz-20KHz6. Effective distance:   Bluetooth: about 5m   FM radio: about 2m7. FM Channel: 87.9MHZ、 88.1MHZ、 88.3 MHZ、 88.5 MHZ、 88.7 MHZ、 88.9MHZInstructions for use:1. Plug the product into the cigarette lighter、 red and blue lights flashing alternately indicates it is in Bluetooth pairing state、 and then use the phone to search for Bluetooth named J16. Hands-free calls can be realized after successful pairing2. Set the frequency of the radio the same as that of the product、 and then you can listen to music from mobile phone via the radio 1 x Car kit FM transmitter1 x English user manualIn original package