ELECOM 28mm thin Bluetooth mouse, 4-button type, Blue LED, quiet operation, power switch and battery indication light.ELECOM Slint 28mm Thin Bluetooth 4.2 Mouse (with Pouch)HK$208.00PriceOut of StockFeatures: Only 28mm thin, can be stored in a soft leather bag for easy carrying Equipped with Blue LED, can be used comfortably even small irregularities and dust Silent design, no clicking sound, can be used quietly 4-button type with a "return" button in the middle for easy browsing The function assignment of buttons can be changed by using FREE software “ELECOM Mouse Assistant” If the presentation mode is enabled, you can switch between normal and presentation mode, allows you to control the forward/backward of slideshow You can customize the detailed operation of buttons in presentation mode, disable scrolling and cursor movement, etc. Symmetric design for both right-handed or left-handed users Power switch to prevent battery consumption when not in use Battery indication light, lets you know whether the battery needs to be replaced 1600dpi resolution Bluetooth 4.2 Class 2 / profile: HOGP (HID Over GATT Profile) Specifications: Power: AA battery x 1 Size: 55W x 103D x 28H mm Weight: 62g Product Warranty:6-month warranty Shipping Term:The goods will be shipped to your designated location in Hong Kong only.