SteelSeries Free Mobile Wireless Gaming Controller with Bluetooth for Samsung Gear VR, Smart Phones, Tablets, PC Wireless controller via Bluetooth technology Cross-platform compatibility with Samsung Gear VR, Android smart phones and tablets, and PC with SteelSeries Engine Remap all 12 buttons via SteelSeries Engine LED indicator used for pairing and battery status Rechargeable battery with an estimated 10 hrs of continuous, wireless play time Auto power save will turn off the controller after more than 3 mins of being idle Controller will work up to 30-Feet away from your computer or device