https://alexnld.com/product/w1-wireless-qwerty-57-keys-keyboard-2-4g-air-mouse-remote-controller-with-led-indicator-for-android-tv-box-mini-pc-smart-tv-projector-htpc-all-in-one-pc-tv/?hilite="Universal Double-Sided 2.4G Wireless Air Mouse Gyro Sensing Mini Keyboard Remote Control For PC Android TV Box"