<ul><li>Notice:There are 2 models optional:the first one is 2.4Ghz Mode wireless mouse.the second one is Dual Mode（Bluetooth-compatible 5.1+2.4Ghz）wireless mouse,pleasechoose suitable model according to your needs.Features:1. New Upgraded: Unique charging technology,built-in lithium battery2. Silent Design: The left and right click are both silence, no sound when you click3. 3 kinds DPI :adjustable provides precise positioningSpecification:Item Name:2.4G Wireless Mouse&amp; Bluetooth-compatible 5.1 mouseButtons: 4 buttonsThe Max DPI: 1600 DPIAjustable DPI Switch: 800 /1200 / 1600DPIWiFi Range: 10MBattery: RechargeableCharging Cable Length: About 35-45cmSwitch Life: 10 Million TimesSize: 112 *58 *25mmSupport System: Windows / Mac/ Android / iPadOSPackage:1 x Wireless Mouse1 x USB Receiver1 x Charging Cable</li></ul>