Supports AUX interface, which can be connected to computers, TVs, mobile phones, audio equipment, and others to achieve wireless transmission Transmission will switch the TV to Bluetooth, solving the problem of the TV not being able to connect to the Bluetooth headset, upgrading Bluetooth in a second to watch football matches and watch dramas at night, and never worrying about disturbing the rest of the family Receiving mode, the wired speaker switches to Bluetooth, allowing the wired speaker to be instantly upgraded to a Bluetooth speaker, getting rid of cable clutter and supporting various active speakers, computer speakers, power amplifiers, vehicles, mixers, and other equipment Colorful LED lights, you can know the working status at a glance, colorful LED indicators, different states, different colors Built-in rechargeable lithium battery, battery capacity is 200mA, battery life is about 6 to 8 hours, supports charging and use, don't worry about power, 10 meters barrier-free transmission, the signal does not freeze