Sell RUN USB car FM transmitter 3.5aux Bluetooth receiver hands-free calling best price

Welcome! This is seller's highly recommended! Description Product Category: USB Bluetooth Receiver Product model: MSD-128 Product color: black Bluetooth version: V5.0 + 2.1EDR Bluetooth distance: 10M Launch distance <8M Operating voltage: DC5V / 2.1A (MAX) Power supply mode: USB power supply FM frequency: 87.5MHZ/88.0MHZ/88.8MHZ Applicable equipment: speaker\car\radio\amplifier How to use: (USB can not be used separately) (1) 3.5MM audio line output: Plug the device into the USB interface to supply power, the device light flashes blue quickly, connect the device to the car AUX interface with a 3.5MM audio cable (or plug the audio cable without the Bluetooth function speaker into the device). Turn on the phone Bluetooth and search for the Bluetooth device MSD-128. After the connection is successful, the blue light flashes slowly. (2) FM launch: 1) Insert the device into the USB port of the car cigarette lighter or the car's own USB port. Some cars may not be able to use the USB port or the noise is large. It is recommended to use the cigarette lighter to supply power. 2) The device is divided into three frequency points: 87.5MHZ (green light long), 88.0MHZ (red light long), 88.8MHZ (traffic alternate flashing), start to find the corresponding frequency point, click the button to switch the frequency point. 3) Adjust the radio to the current frequency of the device. When the device has interference or loud noise, you can fine tune the radio frequency to 0.1 MHZ or 0.1 MH, or directly change another frequency. 4) The device has a frequency point memory function. When the FM frequency is 88.8 MHZ, it will be turned off. After the power is turned on, the frequency of the transmission is still 88.8 MHZ. 5) Turn on the mobile phone Bluetooth, search for the Bluetooth device MSD-128, the blue light flashes quickly, and the connection flashes slowly after successful connection. 6) Open the mobile phone music player, you can launch the mobile phone music to the car radio. It is recommended that the car volume be adjusted to moderate volume. The volume of the car is adjusted by the phone, because the louder the car volume, the more serious the noise and distortion will be. Car hands-free calling: When the mobile phone has an incoming call, press the button to answer and press to hang up, long press to reject. Packing list: 1*USB Bluetooth Receiver 1*3.5Mm audio cable 1* Instruction manual