Feature: 1. Multiple Device Connection: The adapter supports simultaneous connection of 5 devices, facilitating the connection of the computer to other BT enabled devices. 2. High Performance BT 5.3 Chip: The adapter boasts a 2MB/s high bandwidth, low power consumption, quick response, and no delay or lag, courtesy of its BT 5.3 chip. 3. Extended Range: The unit has an external 4dBi high gain antenna, ensures stronger signals and longer distance, achieving a barrier free transmission distance of up to 100 meters. 4. APTX Lossless Transmission: Supports APTX lossless transmission technology with a high sampling rate of 44.1KHz for CD level high fidelity sound quality. 5. Plug and Play: The adapter features a driver free installation process, it's plug and play compatible with for Windows 8.1 10 11 operating systems. Specification: Item Type: USB BT 5.3 Adapter.Material: ABSBT Version: 5.3 Frequency Range: 2.4GHz(2402-2480MHz) Transmission Distance: 0-100m/0-328ft Interface Type: USB Operating System: for Windows 8.1 10 11 (Drive free) Package List: 1 x USB BT 5.3 Adapter1 x Manual