Annadue Ergonomic Foldable Keyboard - Wireless

Specification: Element type: V-shaped ergonomic foldable keyboard. Material: ABS, PC Size: approx. 35.5 x 12 x 1 cm / 13.98 x 4.72 x 0.39 inches (open), 18 x 12 x 1.8 cm / 7.09 x 4.72 x 0.71 inches (folded). Working distance: approx. 10 m. Built-in lithium battery: 140 mAh. Keys: 80 keys. How to use: Please refer to the user manual for more information.