Multifunctional Charging Cup Car Charger Bluetooth-compatible Fm Transmitter Mp3 Cup With Dual Usb Ports Digital Display black

--Two car power sockets, plug the power socket on the car into two, which can supply power and charge for various digital products at the same time
--With transmitting function, hands-free conversation can be easily realized
--Digital display real-time display, beautiful and generous
Steps for usage:
1. Put the multifunctional water cup into the water tank of the car
2. After the car is started, insert the power plug into the car cigarette lighter socket, the indicator light is on, the Bluetooth indicator light flashes, and the display shows the preset frequency, such as: 108.0MHz
3. Adjust the transmit frequency you want to use. When choosing the transmitting frequency, please avoid the interference frequency and the local radio frequency.
4. Adjust the frequency of the car radio to be consistent with the transmission frequency of this product, and then you can enjoy the music emitted by this product.
5. After the device is successfully connected to the mobile phone, you can enjoy music and navigation broadcasts on the mobile phone.
6. Insert the TF card to play the music in the TF card
7. Insert the U disk to play the music in the U disk
8. Please insert the relevant equipment that needs to be charged into the USB port of this product or the car power socket

Name: Cup type car charger
1. Input voltage: DC12V-DC24V
2. Output voltage: DC12V-DC24V
3. USB output voltage: DC5V
4. USB output current: 2.1A
5. FM output frequency: 87.5MHz-108.0MHz
6. FM frequency interval: 0.1MHz
7. Specification: V3.0+EDR A2DP
8. Distance: ≥8m (obstructed by obstacles)
9. Display frequency: digital red light
Precaution:
1. The total power of the connected charging equipment must not exceed the rated power of the output power supply
2. When using, please avoid local radio frequency and reduce local radio interference to obtain better listening effect
3. If you encounter a display error or the device cannot work normally, please unplug the device's power plug, wait for the car to run normally, and then re-plug the device's power plug
4. The on-board power supply of this machine prohibits the use of cigarette lighters to light cigarette lighters
5. Do not insert other objects into the USB socket or cigarette lighter socket to avoid damage to the product
6. Do not use corrosive cleaning agents to clean this product
7. Please pay attention to waterproof and high temperature resistance, use in severe cold areas will cause the performance of the product to decline

Packing list:
1 x Cup type car charger
Note:
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. 
Manual measuring,please allow 1~3mm error,thank you.