Bluetooth Adapter for Pc laptop Usb Bluetooth 5.3 Dongle Bluetooth Receiver for Speaker Mouse Keyboard Music Audio Transmitter Product Features: Using Taiwan RuiYu 5.3 chip, truly in line with the Bluetooth 5.3 technical specifications, dual-mode low-power transmiion. Further transmiion distance: 10-20m ultra-long transmiion distance (no blocking), strong signal. More stable transmiion rate: 3Mbps transmiion rate, providing high-speed file and audio data transmiion. Original driver management software: REALTEK driver management software is convenient and easy to use, powerful, and supports a variety of application extension Ultra-low latency high-speed link, intelligent sleep wake-up energy saving, 24-bit CRC check against interference, adaptive frequency hopping to reduce crotalk. Fully backward compatible with Bluetooth 2.0, Bluetooth 2.1, Bluetooth 3.0, Bluetooth 4.0, Bluetooth 5.0, Bluetooth 5.1 and other specifications. USB2.0 interface more universal, ultra-miniature body portable. 5.3 Bluetooth adaptation is the current high version, fast speed of a new product, with strong compatibility, high speed and stability, receiving distance farther. Applicable operating systems: support for Windows7/win8.1/win10/11 mainstream operating systems! (Win8.1/10/11 drive-free use) Achieve the computer and other Bluetooth protocol devices (Bluetooth headset/speaker/mouse/keyboard/gamepad/mobile phone/printer, etc.) wirele connection for audio, data, image transmiion. Neutral English packaging (with English manual, CD driver disc) Product weight: 28G (blister colour card packaging) Package size: 11*9*1.2cm