The Saco Bluetooth keyboard specifically designed for smart Phones and Tablets. Saco all in one Bluetooth keyboard is an ultra compact and light-weight device chiclet keys help easy typing. It works equally well with Android, iOS Mac and windows operating devices. On or off switch on the keyboard helps you in conserving power when the keyboard is not in use. There is also a charging indicator light on the keyboard for charging notification. Saco mobile Bluetooth keyboard adapts to latest version of Bluetooth V3.0. it works up-to 10 meters. this Bluetooth keyboard has lithium polymer battery ( Capacity 350MAH) for long time backup.you can continue to work 15 days with battery backup. Detachable USB Charger cable attached with box.