Bluetooth 5.3 compatible USB adapter, low latency, no delay, stable transmission, low power consumption, and high efficiency. Antenna to enhance signal, 20 meters barrier-free long-distance transmission, more stable signal. Small size and easy to carry, whether for travel, home, or work, enjoy the convenience of wireless connection. Compatible with your devices such as keyboards, mice, printers, speakers, gamepads, headphones, tablets, and phones, pairing and using is possible. Plug and play compatible with multiple systems such as Win7 8.1 10 11 (free), Linux systems. Bluetooth low energy radio USB V5.3 Bluetooth Dongle Supports Bluetooth audio data - Supports multiple languages