Using Bluetooth 5.0 chipset, greatly reducing Bluetooth (BLE) power consumption. With the enhanced data rate () support, the data transmission rate of Bluetooth technology is greatly increased to 3Mbps. Enjoy music, transfer files, and entertain easily at work. WIRELESS OPERATION: Turn your desktop into Bluetooth-enabled to connect with Bluetooth audio devices for wireless audio streaming. Also work perfectly with Bluetooth device, wired control and enjoy a free life. In an open place, the transmission distance can reach 10m, which can cover a longer distance space. You can enjoy lossless music through Bluetooth headsets without wandering around the computer. Mini appearance, the size of a thumb, easy to carry. Suitable for PC notebook desktop computers, Bluetooth speakers, earphones, USB interface plug and play. Product name: USB wireless audio transmitter Input port: USB Frequency range: 2.402GHZ-2.480GHZ Supported protocols: A2DP, AVRCP, HFP Device power supply: USB DC 5V Support: ordinary voice (8K sampling rate, CVSD codec) Support: wideband voice (16K sampling rate and codec Colour: black Material: ABS Size: 3.2x1.8x1cm Package Contents: 1 * Bluetooth transmitter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.