Litake Bluetooth FM Transmitter Wireless Audio Adapter Receiver Handsfree Talking 1.74 inch Display Quick Charge Features:1.CVC noise reduction technology to reduce the noise interference in calling with someone and listening to music.2. Mobile communication function to avoid the danger of calling when drive. 3.1.74 inch large screen design to get the information more clearly.4.Fit TF card, Bluetooth, AUX input and easy to listen to music.5. It is easy to operate to be convenient to your use.Specifications: Color: BlackBluetooth vision: V4.2 + EDR Bluetooth frequency: 2.4GHZSensitivity: -42db + / 3dB 360Voltage: 5V + / - 0.5Working current: 75mA (MAX)Standby current: 20mA (MAX)Valid range: 5MSensitivity: -92 dBmRF output: 4 dBm Package Including:1*Car Bluetooth Transmitter1*User Manual1*Audio Cable 1*3A Fuse