8BITDO Zero Wireless Game Controller for Android/ iOS/ Windows ZERO is the worlds tiniest and most powerful full-sized wireless bluetooth game controller. ZERO weighs just 50 grams, boasts a 18 hour lithium ion battery and is small enough to carry on your keychain. Its performance thats unheard of in a device this small. Our controllers are designed to be as versatile as possible with each of your modern devices. Easily pair your controller as an X-input or D-input device via bluetooth. Compatible with: Android 7 and above; Windows 7 and above; MacOS 10.7 and above  MacbookiMacMac miniMac Pro. With 180mAh Li-on rechargeable battery. 18 play hours with 1-2 hour charging time.