Features: ?Full size keyboard with an extra number pad ?Round keycaps design makes the keyboard look more stylish, providing quiet soft touch and fast rebound ?Fast switching among 3 bluetooth devices Specifications: Power by: 400mA batteries Key life: 3 million strokes Wake up way: Click any key Dimensions: 14.65*5.2*0.75 inch (37.2*13*1.9cm) Package Include: 1 x Wireless Keyboard 1 x USB Charging Cable 1 x User Manual Compatible Systems: Windows, Android, iOS, MAC OS system Warranty: Every Vive Comb product includes 12-month warranty. Please don’t hesitate to contact us if you have any question, we’ll reply and provide satisfied solution within 24 hours.