Product Name: 2.4G Wireless Gaming Ergonomic Design Optical Vertical 2400dpi Mouse Model NO.: VM001 Application Type: Economic Style: Gaming Number of Buttons: 5 Direction of Roller: Touch Wheel Ergonomics: Right Hand Size of Mouse: Small DPI: 2400 Positioning Principle: Optical Connection Type: Wireless Compatibility: Laptop Features: Gaming,Mini,Rechargeable System Support: Windows 2000,Windows 7,Windows 8,Windows 98,Window Working Time: 20 Days and More Trademark: OEM Transport Package: Kraft Paper Packaging Specification: Package size: 9.8*9.7*8.6cm Origin: Shenzhen China HS Code: 4652220000 Product Description 2.4G Wireless Gaming Ergonomic Design Optical Vertical 2400DPI MouseNotice: this mouse dont need to use AA battery now .it have battery inside the mouse!you just used USB cable charging!!!! now did not need to worried to buy batteriesagain again!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:1:2.4GHz Wireless Connectivity (USB receiver & rechargeable mouse usb cable included)2:Built in rechargeable battery3:Ergonomic designed to remit and prevent carpal tunnel syndrome.4:Optical laser technology for precise control5:User convenience with wow-pen's signature, pen-grip comfort.6:L/R mouse buttons, 2 thumb buttons, and a clickable scroll wheel7:You pick the hand position that best suits you. Plug and play, compatible with Mac and PCSpecifications:1:Item type: Ergonomic Optical Mouse2:Resolution: 2400dpi.3:Button: 4 buttons and 1 wheel (middle button)4:Dimension: 100*80*70mm5:Maximum operating range: 10m6:Charging cable Length: 50.5cm7:Color: Black, Blue, Sliver, Purple8:Material: ABS9:Keystroke life: 10 million10:Tracking system: optical11:Color:Black/Blue/purple/Gray.12:System Requirements:Windows 98/Me/2000/XP/Vista/Win 7/Win8.13:Item weight :133g14:Package weight:162g15:Package size:9.8*9.7*8.6cmPackage includes:1 x Mouse1 x USB Power Adapter1 x USB Charging Cable(Note: Package list without user manual)Note:1, USB cable can only be used for charging. It can not be used as wired mouse.2, The mouse can be used while charging, but you should make sure that the USB receiver is plugged into the computer and the mouse switch is turned on.100pcs/cartoncarton size:62*36*35cmcarton weight:17.5kg