ITEM NAME:Wireless Bluetooth Handsfree Car Kit Fm Transmitter Mp3 Player Dual Usb Cha M2X8 Wireless Bluetooth Handsfree Car Kit Fm Transmitter Mp3 Player Dual Usb Cha M2X8 CAR BATTERY VOLTAGE FUNCTION : Show 3 seconds of Auto voltage when put in the Car cigarette lighter and Speech battery case. Let you always keep battery state of health. Then it will enter the automatic play mode. For 12V /24V car, voltage display of car battery under 11.5V /23.1V or higher than 14.9V/27.3V means car battery issue. Please noted the priority play sequence is Bluetooth-TF card-USB. Built-in FM transmitter, 87.5-108.0MHz of full frequency. Bluetooth connect distances : 5 meters. Fit for most of android and IOS. FM Transmitter Function The device default channel is FM87.5.Before use, please turn the car radio channel to FM87.5. Then plug the device, it can directly connect car speaker. If there has noise interference, please adjust channels as below: 1. Choose an blank and clear channel in the car audio. 2. Long press the FM transmitter answer key until the LED display flashing. 3. Turning the answer knob adjust the same channel at FM transmitter. 4. Short press the answer key to fix the channel. 5. Connect phone bluetooth or insert the USB/TF card, FM Transmitter will start to play. Note: Please repeat above steps if has noise interference in the radio. Material:？ABS Package Includes 1x host 1x AUX cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
