This backlit bluetooth mechanical keyboard is a versatile and feature-rich option for those who are looking for a high-quality typing experience. The tactile feel of the keys, combined with the low noise level, makes it an ideal choice for those who work in an office setting. The ability to connect to multiple devices and the ability to customize key functions through macros are also great features. The backlighting is also a nice touch, with 14 different modes to choose from, this silent low-profile mechanical keys provides smooth and comfortable clicking feeling. The battery life lastes up to 30 days on a full charge.The keys are short stroke and make little noise. Much quieter than other wireless mechanical keyboard. Also you can download the driver for Macro Definition. Keyboard Specifications: Battery: keyboard :Built-in 1900mAh rechargeable lithium battery Compatible Systems:WIN7 /WIN8 /WIN10,MAC OS X 10.12 or above. Android 4.3 or above, which makes it more user friendly. Battery Life: 1000 times charging cycles Working Range: 6-10 meters/19.7-32.8ft Dimensions: Keyboard size: 43 x 12.3 x2cm/ 16.9 x 4.8 x 0.8 inches Package Included: 1 x Wireless Mechanical Keyboard 1 x USB Receiver 1 x Type-C Charging Cable 1 x User Manual Note: The USB receiver is located on the bottom part of the mechanical keyboard.