2.4GHz wireless transmission technology</br>Straight wireless range up to 8 meters</br>Compatible with various Android set-top box and smart TV</br>Support game pad mode and mouse mode</br>Support double-player games: once receiver can connect two game pads simultaneously</br></br>Product Description</br></br><br>This Android 2.4 GHz wireless game pad is specially designed for Android set-top box and smart TV. It's compatible with most of the android games. The beautiful and ergonomic design brings you more fun.<br> <br> <br>With built-in 550mAh Lithium battery <br>With USB 5V charging port <br>With sleep mode: the game pad will powered off without any movement in 15 minutes <br>With low voltage alarm function: when the battery is not enough , the LED indicator will flash to remind you charge the game pad.</br><br/>http://www.amazon.com/gp/product/B01MXNTH2D