MULTISYNC - Simultaneously connect up to 3 Bluetooth enabled devices to achieve maximum productivity in your work, social, and creative environments with our wireless extended keyboard. ULTRA-SLIM - Even with 110 keys, including 20 shortcut keys, presets, and a number pad, our full-sized Bluetooth keyboard is only 15 millimeters in thickness (0.59 inches). POWERFUL ENERGY - Plugged-in or traveling, you have the option to be wireless and never worry about charging the built-in rechargeable battery for 3 months (based on the average use of 3 hours per day).