Excellent Battery Life
This aux Blue tooth adapter have long working time when you making calls or playing music. And it takes less hours to fully charge the device by using a USB Micro charging cable (Included in the package), which is very convenient. This portable aux Blue-tooth car adapter is a good gift for old car owners without Blue-tooth devices and speaker owners who lack Blue-tooth function.

Intelligent Blue-tooth Chip
Blue tooth aux adapter uses Blue-tooth 5.0, which can stably quickly transmit/receive Blue-tooth signals, ensures instant pairing and maintains a strong and stable wireless connection. The Blue-tooth transmission distance is up to 33ft/10M without any obstacles.

Hands-free Call & Voice Navigation Support
This auxiliary blue-tooth adapter for car has built in microphone, so you can make hands-free call safely and also plays voice directions from GPS apps. It is convenient while driving.

Transmitter Mode
In transmitter mode, switch the right side button of adapter to TX mode and plug the aux Blue-tooth transmitter into non Blue-tooth audio source, press the power button for 3 seconds to power on ,the device will automatically connect, red light stop flash that success connected. It will wireless transmit the sound to your Blue tooth devices, avoid the noise disturb the others.

Receiver Mode
In receiver mode, switch the right side button of adapter to RX mode, press the power button for 3 seconds to power on, find C28 in your Blue-tooth devices and pair, blue light stop flash that success connected and plug the wireless Blue-tooth receiver into non Blue-tooth equipment. Aux Blue-tooth adapter will picks up the Blue-tooth signal and transmits audio to the non Blue-tooth devices.

Package Contents：
-1*Main engine
-1*USB-Micro Charge Cable
-1*3.5mm audio head
-User manual
Note: About charge: charging red light flash, fully charged the red light off