Ultra-thin Wireless- Keyboard & Mouse. Specifications: Keyboard Connection: Wireless Model Number: K108 With Multimedia Function Keys: Yes Supports Human Engineering: Yes Package: Yes Type: Ergonomic Applicable Object: For Home Office Mouse Connection: Wireless Optical Resolution: 1200 DPI Keyboard Battery: 2 X AAA Battery (Not Included) Mouse Battery: 2 X AAA Batteries (Not Included) Keyboard Size: 285.3133*18mm Mouse Size: 113.357.6mm Material: ABS Plastic Mouse DPI: 1000/1400/1600 . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.