The 2.4G Mode Connection Requires The Use Of Usb Receiver Connection. Bluetooth Mode: Disconnect The USB Receiver, Press And Hold The Ok Key And The Return Button At The Same Time, 3-5 Seconds Can Enter The Pairing Mode Bluetooth Mode Is Currently Only Supported On Android Systems 2.4G Mode: Function Can Support Most Android Devices That Support Voice Support Voice Assistant But Bluetooth Mode Voice Function Can Only Support Atv System Devices Due To The Use Of Bluetooth Modules By Different Devices, Many Bluetooth Modes May Not Be Compatible With Some Devices. Operating Distance:10 (Meters) Model:G20s Pro Bt Dual Mode Interface:USB Type:Voice Remote Control Line Length:0 (Meters) Power Suplly:2*AAA Batteries(Not included batteries) Please note: function can only be using after the controller needs be successfully paired with the TV. Note:Different Batches, Product Appearance, Color, Printing Words Will Be Different, Do Not Affect The Use Colour:Black Material:ABS+Silicone