Features: Wireless keyboard and adjustable DPI. Wireless mouse with optical sensor. Plug and play fast and convenient. Auto sleep, intelligent power saving, long battery life. Ergonomic design, comfortable hand feeling, reduce fatigue. Descriptions: Can be an effective anti-violence and anti-beat frequency of use for high-intensity gamer. Features a very stable keyboard compatibility which you can use for emails, chat, or enjoy your favorite games. Beautiful and practical. Low power function. Specifications: Keyboard Key quantity: 78 Signal: 2.4GHZ Power: 2 x AAA battery(not include) Material: ABS plastic Color: black Size: 28.5*11.5*2cm Mouse: Color: black DPI: 1000-1200DPI Power: 2 x AAA battery(not include) Frequency: 20-2000HZ Size: 11*5*1.5cm Package size: 36*12.5*3cm Package included: 1 X Gaming keyboard 1 X Gaming Mouse 1 x Receiver Notes: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Thank you