Application: TV-4S smart televisions Frequency: 2.40GHz - 2.48GHz Supply: 3V / 2 x 1 , 5V AAA batteries(not included) Special Features: Integrated microphone for voice control Recognition Features: The Google Assist voice button is located at the top right : XMRM-010 This remote control is suitable for MI TV 4S, but TV models below 55 inches do not have a satellite TV port, so the number buttons on the remote control cannot work. Please make your old remote control is with . Pairing the remote: The prerequisite for this is the TV set is switched on beforehand. Since switching on with a new, unregistered remote control is not yet possible, the TV set must first be started manually using the small, somewhat switch located in the middle of the bottom of the TV set. Get very to the device with the remote control. Now you can the pairing process by pressing the "Mi" button (above the red button) and the "HOME" button (above the yellow button) for a few seconds. As soon as you hear a beep, you can release the two buttons. Note:This remote control can only replace supports Bluetooth voice function remote control. Colour: black Material: ABS Package Contents: 1 * Remote Control Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.