Product details of iMICE E1800 Ergonomic Design 2.4G Hz Wireless 1600 DPI Gaming 

• Brand: iMICE
• Model: E1800
• Color: black
• DPI adjustment: 800/1200/1600
• Battery: AAA battery x2 (NOT included)
• Ergonomics: right palm type fit design
• Buttons life: 10 million times
• Transmission method: Wireless USB
• Product size: 128 x 68 x 40mm/5.04 x 2.68 x 1.57"
• Product weight: 75g (excluding battery)