Specifications: Wireless IC:3-Gyro and 3-Gsensor Number of keys: 16keys or 17 keys Remote control distance: ≥ 10 meters Battery Type: AAAx 2(Not Included) Key power consumption: <40mA Material process: Plastic and Silicone Color: Black Operating instructions: (1)Paring Press the ''PG-'' and ''V-'' on the panel at the same time , if the LED red light ficker fast , insert the receiver to the computer or the ANDROID device USB interface. If the led light is powered off, paring is successful(Paired successfully when out of the factory) (2)Function of the key CURSORLOCK: Short press to lock the cursor, and then return the cursor state. HOME: After entering the sub-menu you can back to the original main menu directly Return:You can press the return key to put the unit into last interface. In the sate of PC the ''oK'' is the left key of the mouse and ''Return'' is the right key. Press ''HOME'' can open the internet with this key Working state instruction (1)While the controller is in a state of working condition, Press any key the LED light will fiash, Loosen the finger , the LED light will be off. (2)Cursor speed regulauen From slow to fast: Press ''OK'' and ''VOLand'' at the same time, and the speed of the cursor pointer will be faster. From fast to slow:Press ''OK'' and ''VOL-'' at the same time , the speed of cursor pointer will be slower. Package includes: Remote Control x 1(Not Included Battery) USB Receiver x 1 Manual x 1 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.