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OPTICAL TRACKING TECHNOLOGY：The ELEOM DEFT PRO trackball provides precise cu... OPTICAL TRACKING TECHNOLOGY：The ELEOM DEFT PRO trackball provides precise cursor movement for superior accuracy so you can get where you want on the screen quickly with less hand movement improving productivity and efficiency. FUNCTIONAL 8... more

Package:Yes Style:Finger Trackballs DPI just button Optical roller DPI:2400 In... Package:Yes Style:Finger Trackballs DPI just button Optical roller DPI:2400 Interface Type:bluetooth Type:Bluetooth Wireless Brand Name:vogek Origin:Mainland China Certification:CE more

About this item ERGONOMIC TRACKBALL DESIGN - Equipped with 34mm trackball and ... About this item ERGONOMIC TRACKBALL DESIGN - Equipped with 34mm trackball and sensitive 3-dot positioning tech precise thumb control to move the cursor no need for frequent wrist movement. Technical 15° tilt angle keeps your wrist and shoulder in... more

Free Express Shipping! Kensington SlimBlade Pro Trackball Mouse Wired & Wirele... Free Express Shipping! Kensington SlimBlade Pro Trackball Mouse Wired & Wireless Connectivity, Optical Tracking Technology, Rechargeable Battery, 55mm Trackball, Ambidextrous Design, Plug & Play Design, 128-Bit AES Encryption, PC & Mac Compatible more