Rechargeable 2.4G Wireless Keyboard and Mouse Combo Mechanical Feel Backlit Gaming Keyboard & Mouse for Laptop Computer and Mac

2.4GHz Dropout-Free Connection Rechargable Backlit Waterproof Keyboard Adopt ergonomic streamline high and low key position layout, adapt to the human hand tapping the keyboard movement arc, feel comfortable Only charge twice a year, keyboard: built-in 4000m Ah battery, mouse: built-in 800m Ah battery System support: Widows XP, Windows 7, Windows 8, Win10, Macintosh, OS2 2.0 more than