Specification:

1. Brand: Rapoo
2. Model Number: X220 
3. Color: Black /  White /  Green / Blue
4. Material: ABS + PC
5. Connection: Wireless
6. Keyboard:
    Keys number: 79 
    Power Supply: 1 X AA Alkaline battery 
    Key structure: Conductiong film
    Dimension: Approx. 285 X 139 X 24mm
7. Mouse:
    DPI: 1000DPI
    Dimension: Approx. 104 X 61 X29mm
    Tracking Method: Optical
    Power Supply:  1 X AA Alkaline battery 
    Operating Frequency: 2.4Ghz
8. Receiver
    Interface: USB
    Dimension: 18 X 15 X7mm

Features:

1. Compact design with slim body, stylish, convenient and easy to carry.
2. 2.4Ghz operating frequency, and support 10m wireless transfer range.
3. Spill-resistant keyboard design, not worrying about getting a defect keyboard as a result of accidental spills.
4. Mouse resolution up to 1000dpi, provides a precise tracking and position.
5. With NANO receiver, plug & play, the mouse and the keyboard shares the same one.

Package Included: 

1 X Rapoo X220 2.4Ghz Slim Wireless Keyboard and Optical Mouse Combo
1 X USB Receiver