1. Mouse And Keyboard Are Integrated Into One, Easy To Operate. Mouse Function And Keyboard Function Are Integrated Into One, Which Increases Office Efficiency With Half The Effort. 2. Compact Design And Easy To Carry 3. Mouse And Keyboard, Combined Into One 4. Voice Broadcast, Simple And Convenient 5. Two Kinds Of Connections, Flexible And Changeable. Support Wireless Connection And Wired Connection. Product Name: Laser Keyboard Model: F2 Keyboard Size: About 110 X250mm (Height * Width) Product Size: About 23.3X23.3X90mm Usb Charging: Charging 5V@1A Battery Capacity: Polymer Carp Battery 500mAh Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:silver Material:Metal Package Contents: 1 x Projected Keyboard 1 x Data Cable 1 x English Manual 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.