【Bluetooth 5.0 Transmitter Receiver】The Bluetooth transmitter transmits audio wirelessly to bluetooth headphones / speakers. Bluetooth Receiver turn the traditional speaker into bluetooth speaker. Works with device with 3.5mm interface, only Bluetooth 5.0 is supported. When connecting, keep the product close to the paired device for better connection, when used on PC, use USB charging data. In TX mode, confirm that headset or speaker is in the status where Bluetooth can search for connection. | 【Latest Bluetooth Transmitter】 When the USB charging data cable is plugged into PC, it can be used as a transmitter to transmit audio, enabling the computer to have bluetooth function. Proper ear bud fit and software update can help in reducing noise issue, make sure the earbuds and phone or any other device have the latest software version installed. The product that does not work may have insufficient initial battery power. Please try to use it after fully charging. | 【Always On】 Bluetooth 3-in-1 Adapter continuously streams even while charging. Built-in battery for up to 10 hours use - enjoy your favorite wireless content all the time. The red indicator light is always on when charging, volume buttons don't work, and the indicator is off after charging is completed. The common ground current noise may cause noise. We suggest not to use it while charging to avoid the current noise. It's better to wait until it's fully charged before using it. | 【Bluetooth Everywhere】 With the updated V5.0 EDR technology, our wireless audio adapter enables more stable connection with device. Only 1 device can be paired at a time, it does not transmit to multiple devices, the distance between the bluetooth adapter and your bluetooth device should be within 50 feet. The charging standard of the product is 5V1A. Do not use a high current adapter to charge the product. | 【Note】When directly using the USB charging cable to transmit audio to the computer, you do not need to use a 3.5mm audio cable to connect to the computer. Directly using USB cable to transmit audio to the computer, the computer system volume cannot be adjusted, only volume of software can be played. Pay attention to whether you want to receive or transmit when you use it. Don't make a mistake. RX to receive, TX to transmit, and there will be no sound when you connect incorrectly.

【Bluetooth Transmitter for Car】 Bluetooth Transmitter: The Bluetooth transmitter function transmits audio wirelessly to Bluetooth headphones/speakers. Bluetooth Receiver: Turn the traditional car speaker or stereo into Bluetooth-enabled speakers. Adding Bluetooth function to your old Car TV, desktop computer, and home sound system like boss wave. Making your old car and wired speaker /headphone Bluetooth function enabled. | 【Wireless Radio Music Adapter for Car】 Bluetooth music receiver for car is featured with built-in noise cancellation Microphone and phone/play button, making answering phone call and activate voice assistant of cellphone in car much more convenient and safer.When the USB charging data cable is plugged into the computer, it can be used as a transmitter to transmit audio, enabling the computer to have Bluetooth function. | 【Bluetooth Transmitter Car Kit】TX Mode, Bluetooth transmitter for TV can be paired with 2 Bluetooth headsets at the same time. RX Mode, 2 cellphones can be connected with Bluetooth music receiver simultaneously. | 【Always On】 Bluetooth 3-in-1 Adapter continuously streams even while charging. Built-in battery for up to 10 hours for Receiver and 6 hours for Transmitter. | 【Bluetooth Everywhere】the updated V5.0 EDR technology, our wireless audio adapter enables more stable connection with devices, supporting DSP and APTX LL codec, brings you HiFi music experience. Enjoy good audio quality music at no compromise.the distance between the Bluetooth adapter and your Bluetooth devices should be within 50 feet.