... Wireless, USB2.0 receiver;2. Sensors Gyroscope (Air Mouse)3. Non-directional remote controll;4. QWERTY keyboard ... do, just when you change another Micro-signal receiver dongle, you need to following next steps: ... , just when you change another Micro-signal receiver dongle, you need to following next steps ... the receiver into the USB port within 3s, if the yellow light turns off, it means connect ...