HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. The Unique Upright And Ergonomically Superior Design Of TheB>Wireless Vertical Mouse Reduces Harmful Arm And Wrist Tension By Allowing Your Hand To Operate The Mouse While Remaining In Its Natural Position. Main Features: Ergonomic Design A Well-Designed And Contoured Mouse Body Supports Your Palm And Cradles Your Thumb And Pinky Finger. The Ergonomic Design Allows Smoother Movement And Prevents Wrist Strain Caused By Traditional Mice High Responsiveness: Simply Press The Dpi Button And Switch Between Dpi Levels 800 1200 And 1600 To Adjust The Mouse's Responsiveness To Suit Whatever You're Doing. Optical Tracking Technology Ensures Greater Sensitivity For Precise Tracking On A Wide Range Of Surfaces Stable Wireless Transmission Technology: 2.4Ghz Wireless Technology Can Provide A Reliable Connection And Not Be Subject To Any Interference In The 360 Degrees Within 10 Meters. Enjoy The Fast Data Transmission At The Convenience Of The Wireless Technology. Compact Receiver: The Wireless Tiny Receiver Can Be Inserted Into The Slot Next To The Battery Slot Allowing Ease Of Storage When Not Used. Easily Use Plug And Play. Wide Compatibility: Compatible With Most System Including Windows 2000 / Me / Xp / Vista / 7 / 8 / 10 / Mac / Linux Etc. Power: 2 X Aaa Battery Not Included. Specification General Type: MouseBr> Material: AbsBr> Mouse Type: ErgonomicOpticalVerticalP>Product Details Cable Length (M): NoBr> Connection: Wireless