🎮【Caution】: This controller does not support Call of Duty mobile games and iOS devices. Every item from KYAMRC is covered by 30-Day Money Back and 90 days replacement service. 🎮【Support Key Customize】: Some games like "PUBG" need key mapping, please first download the ''Octopus Gaming Studio'' APP from Google Play Store, then you can key mapping with your own preference. Does not work for Call of Duty mobile games. 🎮【2.4G & Bluetooth Controller】: The mobile gaming controller ranging up to 30ft. With 4 LED indicators to show its working mode, include a 2.4G wireless receiver, mobile phone directly connected, no need to install driver, just plug in and enjoy the games.