Utilizes a 6.0 Bluetooth chip, compliant with Bluetooth 6.0 specifications, BLE/dual-mode, and low-power, low-latency transmission. Extended transmission distance: 200m (unobstructed), upgraded antenna with PA power amplifier for stronger signal strength and enhanced penetration. More stable transmission rate: 3Mbps, providing high-speed file and audio data transfer. Driver-free: Plug-and-play, no CD installation required, for easy and convenient use. Ultra-low latency, ultra-fast connection, intelligent sleep/wake-up for energy saving, 24-bit checksum to mitigate interference, and adaptive frequency hopping to reduce crosstalk. Backward compatible with Bluetooth 2.0, 2.1, 3.0, 4.0, 5.0, 5.1, 5.3, and 5.4. USB 2.0 port (universal USB 3.0). Connect up to five devices simultaneously, ensuring strong compatibility. One adapter meets multiple needs. Upgraded technology: Connect once and automatically reconnect subsequent times, eliminating the need for re-pairing. This upgraded 6.0 Bluetooth adapter boasts strong compatibility, high speed and stability, and a longer reception range. Compatible Operating Systems: Supports major operating systems such as Windows 7, 8.1, 10, and 11! (Driver-free for 8.1/10/11) Enables wireless Bluetooth connectivity between your computer and other Bluetooth devices (such as headphones, speakers, mice, keyboards, game controllers, phones, and printers) for audio, data, and image transmission. Color: Black Material: Plastic Package Contents: 1 x USB Bluetooth 6.0 Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.