[Dual Connection Mode - 2.4G & Bluetooth]: 2.4G is suitable for desktop and laptop without Bluetooth function. Bluetooth 3.0 technology provides a cable-free and neat connection with a working distance of 10m$ [Quick Switching to 3 Devices]: Quick channel switching between 3 devices without interference or disconnection. No need to restart the pairing process. The 0.46-inch slim and sturdy body, with built-in kickstands on both sides, can hold smartphones and tablets at the same time. The sturdy body will keep your devices stable from tipping over. Moreover, the stand provides a perfect angle and typing experience, allowing you to enjoy the wireless lifestyle$ [Universal Compatibility]: Widely compatible with mobile phones, tablets and laptops with Android, Windows, iOS and Mac OS. Suitable for Apple iPad Air, iPad 4/3/2, iPad Mini 4, iPhone, Galaxy Tab, Macbook, Surface Pro, etc. $[Long Time Working]: Separate on/off switch and smart auto-sleep function design to save power. 2AAA battery can last for more than 90 days in power-saving mode (based on 2 hours of use per day). $[Work Anytime, Anywhere]: This slim wireless keyboard can be used with computers, laptops, mobile phones or tablets; With a lightweight design and simple size layout, you can multitask at home or on the go.