Description: This is a dual-mode voice remote control and an air mouse with a built-in gyroscope sensor, it uses wireless transmission to integrate infrared learning, wireless buttons, air mouse, voice control, and other functions, With just one remote control, we can easily and quickly control our home theater system. Specifications: Model: MK27 Product weight: 50g Static current: 25uA Working current: 20mA Battery type: AAA battery Number of buttons: 27 keys Product size: 155*40*18mm Equipment name:ATV_Remote Material and process: plastic+silicone Remote control distance:8-10 meters Features: 1.Support dual-mode pairing,2.4G BT paring 2.With gyroscope,support gyroscope auto calibration 3.Buzzer reminder can prevent loss 4.11 keys support IR learning,have IR button and BT button 5.White backlight,with number keys 6.BT voice?ATV,AOSP,i Fly voice),USB Voice(Google voice,i Fly voice) 7.Battery type: AAA Battery (not include) Package Include: 1x Air Mouse 1x USB Receiver 1x Manual 1x Package Box