Bluetooth 5.0 adapter, 2 in 1 broadcast / reception, powerful Bluetooth adapter with built-in dual Bluetooth 5.0 system, independent circuit design, more powerful performance, can transmit and receive Bluetooth signals at the same time. Many application scenarios, reception mode, mobile phone connected to Bluetooth speakers, car speakers and other Bluetooth devices, start mode, Bluetooth headset, connected to computer, TV, projector and other Bluetooth speakers, via 3.5mm connector Smart Bluetooth 5.0 chip, the transmission distance can reach 15M, faster and more stable signal transmission, lower power consumption of listening to music can not get stuck, restore Hi-Fi sound quality. Use the receive function: 1. Connect the equipment into the USB power port (USB 5V interface), the equipment is automatically turned on, the equipment lights red and flashes quickly, that is, indicates the Bluetooth connection status. 2. Connect 3.5mm Use the start function: 1. Connect the equipment to a USB port (e.g. a USB charging port on a TV, computer or mobile phone charger), the equipment is automatically turned on, the equipment lights blue and it flashes quickly, that is, enter Bluetooth [Sale Guarantee] - If you have any questions about the product, please contact us, our professional customer service team will solve the problem for you as soon as possible.