COMFAST USB Bluetooth Adapter For Win10 PC 2.4GHz Speaker Wirele Mouse Music Audio Receiver Transmitter Bluetooth 5.1 Please Note Please Note 1Not work with Apple device,Mac OS, Linux,car stereo systems,or TVs. 2Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 3Please allow slight dimension difference due to different manual measurement. 4Before using the product, please disable the Bluetooth of the computer itself, and uninstall the existing Bluetooth driver of the computer, and then install the driver of this product. Feature Mini, Free drive Plug and Play, High Speed, Easy to Carry 1.Mini USB Bluetooth-compatible BT 5.1 adapter with high speed up to 3Mbps. 2.Bluetooth low energy Wirele USB Dongle. 3. Dual-mode Bluetooth-compatible transfer. Item Name: Bluetooth-compatible Adapter Interface: USB port Transfer rate: 3Mbps Bluetooth Version: Bluetooth-compatible BT V5.1 Frequency Band: 2.4GHz2402-2480MHz Color: Black Operation System: Windows7Need to install driver / 8.1/10/11 Not support : windows xp/ vista , linux , mac os Receiving Range: About 10-20M, In an open environment UP TO 20M Blue-tooth will be particularly vulnerable to other wirele interference and different devices, transmiion distance will be limited,for example, WiFi signal, wirele mouse and Blue-tooth are the same frequency,and so on.The transmiion distance may be not reach 10m, and the specific distance is subject to the surrounding environment of the equipment. What is in the packaging? 1 x Mini Blue-tooth Adapter Better sound quality & Faster transmiion & Furth distance & Faster response Desktop computer connection Bluetooth headset / stereo Office , entertainment , whatever you want Intimate anti-lost Lanyard,Easy to carry , not afraid of forgetting Product detail presentation Blue indicator light working status,After the smart memory is connected for the first time , it will automatically connect when it isturned on again Win7 driver installation steps 01 Plug the BT adapter into the computer USB port,The BT icon is displayed in the system status bar 02 Follow the steps below to install the driver : Go to COMFAST official website , Click " Download Help "and enter "CF-B03 " in the search box . Download CF-B03 BT Adapter Driver " and install it 03 Click " Next " 'according to the prompt 04 Installation shows that REALTEK BT is being installed Tip : After the installation is complete , you need to restart the computer before you can use it CF-B05 Producut description: Bluetooth V5.1 Support window7 /8.1/10/11 Receiving 1 sending range:10-15m wirele devices such as a keyboard,mouse,speaker,some headsets(if you want connet the earphone ,please careful to buy ,Some versions may not work),printers,gamepad&more What is in the packaging? 1 x Mini Blue-tooth Adapter