Description This is a stylish and novel wireless mouse, which is well-made of premium material for durable use. With this type of mouse, you will enjoy high efficiency and fluent using experience! Ergonomic design, it fits under your palm and smooth touch gives you comfortable grip. Features -Material: Plastic -Size: About 10.40X5.60X2.80cm/4.09X2.20X1.10in -Working Mode: Wireless 4.0+2.4G wireless -Battery: One AA battery (not included) -Operation Distance: 10m -2.4G wireless, metal non-slip roller, wireless 4.0. -Lightweight and portable, comfortable and quiet. -It feels comfortable when held in hands and can be carried with you. -Ergonomic arc fits the palm. -DPI three gear : 1000.1200.1600. 2.4G wireless, metal non-slip roller, wireless 4.0. Lightweight and portable, comfortable and quiet. It feels comfortable when held in hands and can be carried with you. Ergonomic arc fits the palm. DPI three gear : 1000.1200.1600.