Wireless Mouse 2.4GHz Game Ergonomic Design Vertical Mouse 2400DPI USB Mice This is a new generation of vertical mouse, comfortable grip, suitable for office, games, etc., rechargeable mouse, no need to replace the battery, support ergonomic design.6D Wireless Mouse 2.4GHz gaming game mouse Ergonomic Design Vertical mouse 2400DPI JOY Wrist Pain USB Mice For Laptop PC Notice: this mouse need to use 2xAA battery now (not included) This wireless mouse vertical ergonomic design for you, help you get rid of tireness after long use of the wireless mouse. Care more about your health. Avoid carpal tunnel syndrome. Features: 100% brand new and high quality 2.4GHz Wireless Connectivity (USB receiver & rechargeable mouse usb cable included) Ergonomic designed to remit and prevent carpal tunnel syndrome. Optical laser technology for precise control User convenience with wow-pen's signature, pen-grip comfort. L/R mouse buttons, 2 thumb buttons, and a clickable scroll wheel , dpi button. You pick the hand position that best suits you. Plug and play, compatible with Mac. Specifications: 1:Item type: Ergonomic Optical Mouse 1Project Type: Vertical healthy mouse 2PRODUCT NAME: 2.4G wireless mouse 3Brand: HXSJ 4Wireless Technology:2.4G 5Wireless distance: 10m 6Rated voltage / current: 1.2V/20mA 7Power supply: 2 x AA batteries (not included) 8Number of keys: 6 keys4 buttons and 1 wheel (middle button)and dpi(adjustable) 9Optical resolution: 800dpi1600dpi;2400dpi. 10Color Classification: BlackGray . 11Work: Photoelectricity 12Button click life: 8 Million times 13Material: ABS 14Product weight: 87g 15Item size: 12.5x6.5x7.5cm 16Packing weight: 125g 17Packing size: 15.5x8.5x8.4cm 18System requirements: Windows 98 / Me / 2000 / XP / Vista / Win 7 / Win8 /10/Vista Mac OS or latest. Package Includes 1 x Mouse 1 x USB Receiver 1 x English User Manual