Vention, Model – Vention USB Bluetooth 5.0, Type – Bluetooth Adapter, Interface – USB, Input Interface – USB, Output Interface – No, USB Quantity – 1, Bluetooth Version – Bluetooth 5.0, Working/Bluetooth Range – 20 Meter, OS Compatibility – Windows 10/ 8/ 7, Color – Black, Dimension – 17.5 x 7.1 x 23.7mm, Features – Plug and Play, Wireless For multiple devices, 7 devices Connection Sync, 20m Transmission. Bluetooth 5.0 Standard – Upgraded RTL8761B bluetooth 5.0 chip ensures stable signal transmission. Brings Bluetooth Function to PC – Connect to any USB port to realize bluetooth function. 7 Devices Simultaneous Connection – Support up to 7 devices connection at the same time. Bluetooth Earphone Connection – Bluetooth earphone Support both audio and microphone signal transmission. PC to Keyboard & Mouse – Keyboard & Mouse No latency in bluetooth peripheral connection. Swift Wireless Data Transmission – Phone/Tablet Photo and file transmission without network. Print Photos without Cable – High fidelity picture transmission with no cable burden. Restore Original Sound – CD level Hi-Fi sound quality for enhanced listening experience. 20m Effective Transmission Distance – With internal antenna amplifier for wide signal coverage.  Compatible with Multiple Systems – Backward compatible with various version of bluetooth and multiple OS. Automatic Pairing – Once pairing with your PC, automatic connection for latter use., Others – Shell: ABS, Chip: RTL8761B, Interface Technics: Gold-plated, Part No – CDSB0, Warranty – 1 Year, Country of Origin – China, Made in/ Assemble – China