Feature:1. ULTRA LOW LATENCE TRANSMISSION: Using advanced Bluetooth technology, it ensures real time sound transmission and HiFi sound quality, allowing you to enjoy clearer and more exciting sound effects.2. WIRELESS CONTROL: With the wireless receiver transmitter, you can move freely around the room without wire limitations, conveniently controlling your computer's volume, mouse and keyboard operations.3. WIDE APPLICATION: Compatible with a wide range of devices, including computers, speakers, mice and keyboards, providing you with more connection options, convenient and practical.4. EASY TO INSTALL AND USE: Plug and play, no need to install drivers, you can easily realize wireless connection, save time and effort.5. PORTABLE DESIGN: Small size and light weight, does not take up too much space, compact and portable. And with a lanyard, easy to carry and use.Specification:Item Type: USB Bluetooth AdapterMaterial: ABSBluetooth Version: 5.3.Package List:1 x Bluetooth Adapter1 x Lanyard