Features: This is not only an external wireless mouse but also a mouse jiggler that help to keep your computer alive. Press the DPI-key 5 seconds to enter the jiggler mode-< Dual-mode: wireless bluetooth-compatible5.1 and 24Ghz modes,switch- easily with an on/off- button 3 adjustable DPI800/1200/1600), set your own cursor speed, freely to satisfy your daily work. Adopt advanced 2.4Ghz wireless connection, plug-play, no drivers- needed, easy to use. Built-in 400mAh lithium-battery can last up to 300 hours after fully charged-, and standby-time is super long with auto sleep and wake mode- Specifications: Wireless technology: 2.4Ghz Wireless distance: approx 10m/32.8ft Size:approx 113x59x23mm Net Weight: 95g Keys number:5 Resolution: 800/1200/1600dpi Material: ABS+matte oil Battery：400mAh built-in Color：Black / White/ Colored/ Rose-gold/ Silver System requirement: Windows2000/ 2003/ ME/ XP-/ Vista-/ Win7/ 8/ 10/ MC-OS/ Linux- Package Includes: 1 PC x Jiggler Mouse note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.