Portable 2400dpi Vertical Mouse Wireless Wireless Mouse 6 Buttons Optical Mice Laptop Accessories Rechargeable Ergonomic Mouse Description: This is a 2.4G rechargeable wireless vertical mouse, ergonomically designed to relieve and prevent carpal tunnel . Scrub feel, comfortable grip, 10 meters free control, built-in 600mAh lithium battery, suitable for office games. Specifications: 1:Item type :2.4G RechargeableErgonomic Optical Mouse 2:Resolution : 800dpi ;1600dpi ;2400dpi. 3:Button : 6 buttons 4:Maximum operating range: 10m 5:Charging cable length: 70CM 6:Material : ABS 7:Button life : 5 million times 8:Battery capacity: Rechargeable 600mAh lithium battery 9:Voltage/Current: 3.7V/10mA 10:Item size :1 0.5*7.7*6.2cm 11:Item weight: 93g (Including USB receiver weight) 12:Package size :12.2*8.5*8.6cm 13:Package weight :151g( Including the weight of the packaging box ) Specifications: 1:2.4GHz Wireless Connectivity (USB receiver) 2: Built-in rechargeable 600mAh lithium battery 3:Ergonomic designed to remit and prevent carpal tunnel . 4:Optical laser technology for precise control 5:Easy to use, comfortable to hold, prevent mouse hand. 6:L/R mouse buttons, 2 thumb buttons, and a clickable scroll wheel , 1 dpi buttons(dpi +/dpi -). Package Included: 1 x 2.4GHz Wireless Mouse 1 x USB Receiver 1 x 70CM charging cable 1 x English User Manual