Description: 2.4GHz wireless technology provides a convenient connection and not subject to any interference within 10 meters. Simple and beautiful, stylish appearance, relieve finger fatigue for long-time use, enjoy faster input speed. The round keycap are developed based on the contact area of the finger and the key caps, giving you a comfortable and quiet typing experience. 4 adjustable DPI, comfortable feel, sensitive response and accurate position. Daily waterproof function, more stable performance, safe to use. Support Mac, IOS, Android systems, compatible with desktop computer, laptop, etc. Specification: Type: Keyboard mouse combo Color: Yellow/Black/Blue(optional) Keyboard Number of keys: 104 Connection method: wireless Battery: 1 x AA battery(not included) Voltage/current: 3V/1.5mA Keyboard size: 44.5 x 15.5 x 2.9cm /17.52 x 6.1 x 1.14in Mouse Connection method: wireless DP adjustment: 800/1000/1200/1600DPI Battery: 2 x AAA batteries(not included) Mouse size: 11.5 x 6.3 x 3.2cm /4.53 x 2.48 x 1.26in Package Includes: 1 x Keyboard 1 x Mouse 1 x User manual