This beautiful,  simple and classic black wireless keyboard and mouse combo is a perfect choice for notebook, computer, desktop, Android smart TV, Android player. it supports Windows and  MAC operating system and  its equipped with  strengthen ABS plastic raw materials, chocolate button design, stable performance, plug and play, without any installation.The operating distance is up-to 10 meters and the  frequency: 2402MHZ--- 2480MHZ. It's also has a low battery display light, when the battery life is weak, the red light flashing reminder illuminates. Non-noise wheel technology, making a peaceful working environment. Comfortable buttons and scroll wheels.