Concave fingertip design for comfortable and gentle typing Scissor foot button structure Compatible with multiple systems and devices Simplified layout that combines and fashion The Bluetooth keyboard provides you with a very comfortable and pleasant typing experience. Working mode:2.4G+BT3.0+BT5.0 Mouse battery capacity:500mah Keyboard battery capacity:350mah Key:4 keys Charging time:2-3 hours Receiver:keyboard and mouse shared receiver Ergonomics:Support Working distance:10 meters Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:Gray Material:ABS Package Contents: 1 * Keyboard 1 * Charging cable 1 * Mouse 1 * Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.