High-performance Bluetooth 5.4 Chip:The Universal USB receiver supports Bluetooth dual-mode, 3Mb/s high bandwidth higher transmission rate lower latency, low power loss, anti-interference, support wireless fast connection technology, latency <200ms, no longer for the game when the mouse does not follow the hands of the annoyance, the operation/audio takes almost 0 seconds to respond to the wireless can also experience the wired smooth | The ultimate sound experience:The Bluetooth Mouse USB Adapter with unique digital audio enhancement algorithms, sampling rate up to 44.1KHZ. Support SBC, HIFI sound, compared with ordinary Bluetooth, from the root of the start to solve the problem of transmission loss of sound quality, so that the human voice is clean and clear, the bass is thick and melodious | 20 meters full coverage signal:The Unifying Receiver with Built-in ceramic antenna, strong signal through the wall, easy to realize 20 meters barrier-free transmission, office wantonly walking around, headphones music uninterrupted (in an unobstructed environment) | Plug and Play Driver-Free:Bluetooth adapter supports Win8.1/10/11 driver-free use, plug and play, （Win7 needs driver installation.） Intelligent memory function, after the first pairing, boot automatically returns to the connection, no need to set up, simple and convenient | Connect 7 devices at the same time:The Bluetooth adapter for PC can connect multiple devices at the same time, save USB position audio gamepad keyboard, mouse, headset, printer, mobile phone, easy to cope with a variety of occasions