SZILBZ MX3 backlit fly air remote mouse ,when you see you tv shows ,donot worry no no light to see the alphabet in night or cannot control the tv show in long distance ,our mouse all slove it for you,if not satisfied with our goods,we give you a 100% refund.Updated LED Backlight buttons LED Backlight, makes all buttons lighten in darkness, input text and hit enter, can find what you want quickly. No more hopping from letter to letter on the keyboard. Small and Portable With small dimension, you can use it at home, enjoying PC multi-media entertainment or take it to the office, suitable for conference, presentation & lecturing. Easy to use, plug and play Just insert 2 AAA batteries, plug the USB dongle into devices, you can control devices immediately without referring to instructions. Power-saving The other side of backlight functions also will turn off to save power when using remote on one side How to program IR Learning This remote has five IR learning keys can be programmed. Take learning Power On of TV remote for an example. 1. Ensure your TV remote supports NEC protocol for learning, batteries installed correctly and LED flash red 2. Set the MX3 remote and TV remote facing each other with top ends, keep the distance between them within 0.1 feet. 3. Press the TV button on the MX3 pro remote for 4-5 seconds until LED flashes fast. 4. Then press the Power button on the TV remote to learn 4-5 seconds until the LED on the MX3 remote flash fast, press one of five IR keys, the LED of MX3 will keep red and not flash. 5. Then press the TV buttons on the MX3 Pro remote to exit learning mode. Package included 1 * 2.4 G mx3 pro 1 * USB receiver 1 * User Manual(2 AAA batteries not included)