Concave fingertip design for comfortable and gentle typing Scissor foot button structure Compatible with multiple systems and devices Convenient to carry mini foldable keyboard The Bluetooth keyboard provides you with a very comfortable and pleasant typing experience.<br><br>Working current using touchpad:Less than 8.63mA Working current using buttons:Less than 3mA Standby current:0.25mA Keyboard layout:63 keys Working distance:Less than 15m :10 minutes Lithium battery capacity:150mAh Wake up :any key keyboard Working voltage:3.7V Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:Silver Material:ABS<br><br>Package Contents: 1 * keyboard 1 * charging cable<br><br>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.