Truly Bluetooth 5.0: Our wireless audio adapter meets Bluetooth 5.0 technical specifications, offering dual-mode low-power transmission for a more stable connection with your device. Enjoy a long transmission distance of 10-20m (unobstructed) and a strong signal. Stable Transmission Speed: With a 3Mbps transmission rate, this adapter provides high-speed file and audio data transfer. You can transfer files between your mobile phone and tablet even without a network, making transfers more convenient. Broad Compatibility: Backward compatible with Bluetooth 4.0/4.1/4.2 and other versions. Connect Bluetooth headsets to enjoy operas and dramas wirelessly, giving you the freedom to move around the room without being tethered to your computer. Automatic Connection: After the initial connection, the device automatically remembers and reconnects when powered on again, eliminating the need for frequent reconnections. Bluetooth wireless transmission and WiFi signals do not interfere with each other. Portable Design: The USB 2.0 interface offers universal compatibility, and its ultra-mini body makes it highly portable. Supports Windows 7/8/10 mainstream operating systems. Product Name: Mini 5.0 Bluetooth Adapter Material: ABS Bluetooth Version: 5.0 Interface Type: USB 2.0 Transmission Rate: 3Mbps Working Frequency: 2.4 (MHz) Product Net Weight: 130g Bluetooth Remote Distance: Straight line distance 10-20m Voltage: 5V Supported Systems: Windows 7/8/8.1/10 Package Includes: 1x Mini 5.0 Bluetooth Adapter