Note:It is driver-free for Win8 and above system Win7/XP system need to install the driver,and does not support Apple system If you need, please contact our customer service to get driver file *Not support to use in the car *If the computer has Bluetooth, you need to disable the computer's Bluetooth before you use the product *This product can only be used on the computer to connect to other devices. It can not be used directly on the TV. Driver Installation Video Plug-and-Play for Wirele Experience Wirele Adapter *Wirele 5.1*Wirele connection*20m Stable transmiion*High compatibility Wirele 5.1 Fast Response Stable and fast signal transmiion without delay and stutterBackwards compatible with wirele 4.0/4.1/4.2/5.0 device For Wirele Keyboards&Mouse Wirele connection for efficient work and flexible operation in games. For Wirele Speaker Enjoying 3D audio effects anywhere For Wirele Earphone CD-like high-quality audio for music, online courses and voice communication For Phones&Laptop Transfers files instantly through wirele connection. For Gamepad Responsive and smooth operation, wirele connection for game 20m Barrier-Free Transmiion Signal enhancement for smooth wirele connection for the whole house High Compatibility, Drive-Free Compatible with multiple systems, drive-free and plug-and-playCompatible with Windows XP/7/8/8.1/10/11... A Connection of 7 Devices Simultaneously Compatible with multiple wirele devices to save USB port Auto Memory Pairing Auto memory pairing enables automatic wirele connection after first pairing. Clear Operation Statu Plugs the adaptor in with the blue indicator on indicating normal work. Specification Name: Baseus Wirele Adapter BA04Model: BA04Color: BlackInterface type: USBMaterial: Aluminium alloy/ABSWirele version: 5.1Connect distance: 20mCompatible protocols: A2DP, H2DP, HSP, AVRCP, HID, ect