Features: brand new and high quality Bluetooth-compatible & 2.4g Wireless Connection: 2.4g Wireless technology provides stable connection. One plug and for play 2.4g USB receiver or via Bluetooth-compatible can connect both the keyboard, ensures a stable and reliable connection. Broad Compatibility: Widely for Androids, for Windows, and for Mac systems. for Windows 8/ 10 or above; Androids 5.0 or above; for Mac 10.10 or above; iOs 10.13.4 or above. Comfortable & Precise Typing: Low profile keys, a scissor mechanism beneath each for key allows for increased stability, silent to press and rebound quickly. Function Across Three Devices - Both keyboard and mouse are dual-mode designed and three channels enabled. Rechargeable and Energy Saving: Built-in rechargeable 280mAh lithium battery, this keyboard and mouse combo can be easily charged with included micro charging cable. Specifications: Connect method: Bluetooth-compatible 3.0，Bluetooth-compatible 5.0，2.4g Keyboard Dimensions: approx. 36.57x11.89x0.58cm/ 14.4 x 4.68x0.23inch Mouse Dimensions: approx. 11.5x5.8x2cm/4.4x2.3x0.8inch Mouse Photoelectric resolution: 3 adjustable dpi level (1000 / 1200 / 1600dpi) Charge time: about 2 hours Keys life: 3milion clicks Package Includes: 1 x Keyboard and 1xMouse 1 x Charging Cable 1 x User manual note: This keyboard is not fully for Mac Os systems, the multimedia keys are not fully for Mac Os systems Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.