_x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ USB Bluetooth-compatible 5.1 Adapter Handsfree Dongle Wireless Transmitter Receiver 2.4GHz for Desktop Computer Laptop PC _x000D_ Feature: _x000D_ 1. Support multiple devices to connect at the same time: support multiple Bluetooth-compatible devices to connect at the same time, solve the USB gap problem, and meet various occasions _x000D_ 2. Drive free for Win8 and above, plug and play: Win8.1/10/1 drive free, plug in to support Win7 (drive required) _x000D_ 3. Compatible with multiple Bluetooth-compatible versions: downward adaptation of 4.1/4.2/5.1 Bluetooth-compatible versions _x000D_ 4. Universal: Wireless devices such as a keyboard,mouse,speaker,printers,gamepad&more _x000D_ 5. Small and lightweight: Bluetooth-compatible 5.1 adapter is small, lightweight, won't take much space, easy to carry or store. _x000D_ _x000D_ _x000D_ Specification: _x000D_ Certification: CE _x000D_ Origin: Mainland China _x000D_ Model Number: Bluetooth-compatible Adapter _x000D_ Product size: 21.8*15.7*5.9mm/0.85 *0.6 *0.23in _x000D_ Bluetooth-compatible version: 5.1 _x000D_ Frequency range: 2.4GHz (2402-2480MHz) _x000D_ Transmission distance: 0~20M _x000D_ Rated voltage: DC5V _x000D_ Interface type: USB _x000D_ Operating system: Win7, Win8, Win8.1, Win10, Win11 (drive free for systems above Win8) _x000D_ Package weight: 14g _x000D_ _x000D_ _x000D_ Note: _x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x000D_ Please allow 1-2cm measuring deviation due to manual measurement._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 1 x Bluetooth-compatible Adapter _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_