Rechargeable Bluetooth Mouse and Keyboard Kit.

Connectivity: Uses Bluetooth 3.0 standard interface. Rechargeable: Both the mouse and keyboard have built-in rechargeable batteries. Working Time: Offers uninterrupted working time of approximately 150 hours without backlight, or 3 hours with backlight. Compatibility: Compatible with various devices including smartphones, tablets, laptops, TVs, and computers, supporting iOS, Android, and Windows operating systems. Design: Features an ultra-slim, portable design.