1. Retro design, original pushing button, same touch, same feeling.
2. Upgradable firmware for function expansion.
3. Programmable keys to easily setup combo key and turbo key.
4. Dual-mode support: Bluetooth keyboard and touch screen simulation.
5. Support both Bluetooth and USB connection.
6. Built-in 480mAh li-on battery.
7. Exclusive Xtander design: Stand up your touch screen devices and play with ease.
8. Compatible with IOS, Android, Windows devices and Mac OSX.
9. Classic cross button and four shoulder-button design.