Bluetooth 6.0 dual mode with low and low latency for enhanced performance. Supports simultaneous connection of up to 7 devices, making it ideal for multi-device users. Intelligent low-power chip and transceiver for lower latency and flexibility in Bluetooth applications. Compatible with a wide range of Bluetooth specifications, including 3.0, 4.0, 5.0, 5.1, 5.3, and 5.4. Operating temperature range of -20 to 70℃, ensuring reliable performance in various environments. Product Name: USB Bluetooth Adapter Model: RTL60B Bluetooth Version: 6.0 (BLE Low , Low Latency) Transmission Distance: 20 meters (in unobstructed environments) Supported Protocols: A2DP, , AVRCP, HID, AAC, , etc. Supports Cass2 Power to 20 meters (open environment). Supports USB 2.0/3.0 interfaces. Operating systems: For 8.1/10/11 (driverless, plug and play), 7 requires driver installation. Supported protocols: HFP/ (hands-free calling/headset), A2DP/AVRCP (stereo music), HID/HOGP (keyboard and mouse), AAC, , Android smartphones, etc. Color: Black Material: plastic Package Contents: 1*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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.