1. USB pairing mode: Insert USB into the device, press OK key and Home key, and the LED will flash quickly. When the LED stops flashing, the pairing is successful. 2. Turn over function: In order to prevent the wrong operation of keys, the air mouse is only allowed to move upward during normal use. The function of one side of the key is downward, and the function of one side of the key is prohibited to output. 3. Sleep and : When the air mouse has no operation within 15 seconds, it will enter the sleep mode; After the air mouse enters hibernation, press any key to wake up the air mouse and enter the working state. 4. Low battery prompt: When the air mouse is running low, the LED light flashes slowly to remind that it needs to be ; The LED red light is always on during charging; When the LED red light is off, it is fully . 5. How to use: Take out the USB receiver and insert it into the USB interface; For the first time, wait for 20-60 seconds, the system will automatically install the USB receiver driver, wave the keyboard, the cursor will the screen, and the air mouse keyboard can be used. Use: TV Wireless Communication: GFSK Model Number: 2.4G Wireless Keyboard Remote Controller Modulation frequency: 2.4-2.4835GHz Battery type: 400mAh/3.7V lithium battery Number of keys: 58 Remote control distance: 10m/32.8ft Charging port: Micro-USB Support system: For /For Android/For OS/For Linux Colour:Black Material:plastic Package Contents: 1 x Wireless Voice Air Mouse Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.