Model Number: MX3Condition: NewBrand: UnbrandedCompatible Brand: For Multi-BrandType: TV RemoteRadiofrequency: 2.4G HzG-Sensor: YesGyroscope: YesOS Suppported: Windows XP/Vista/7/ MAC /Linux/AndroidMaterial: ABS MaterialColour: As ShownQuantity: 1 x remote control (requires 2 x AAA batteries,batteries are not included)Unit Type: piecePackage: BoxNote: Please check if your TV remote supports the NEC protocol for learning.NOTE1: This type of air mouse can't control the satellite channels.NOTE2: Only 5 keys can be programmed.NOTE3:This mouse is not suitable to control Smart TVIR learning operation as the following steps1. Pointing IR emitters of the TV remote and the air mouse to each other ,2. Press and hold the TV key on the remote 4-5s until the LED flash slowly,3. When you see the LED flashing slowly ,press the key on your TV remote to learn,4. When the remote receiver the IR signal,the LED will be solid.5. The 5 keys could learn following the step 1-4,6. Press the TV button to finish the learning process.