Back-lighting
The keyboard has 7 color of the backlit options with 3 brightness, increase more fun and convenient when typing in the dark. The gentle light doesn’t harm your eyes.

Specifications:

Executive standard: Bluetooth V3.0

Size: 9.7"L x 6.7"W x 0.32"H (250*175*8mm).

Weight:11.2 ounce

Lithium Battery Capacity: 450mAh

Uninterrupted working time: 90 Hours