Precise Optical Performance: Equipped with a 3-level adjustable DPI switch (800, 1200, 1600), this Bluetooth mouse features a high-performance optical sensor for accurate tracking, suitable for gaming and office tasks. Bluetooth 4.0 Technology and Rechargeable Battery: Powered by Bluetooth 4.0 and a 450 mAh rechargeable lithium-polymer battery, this mouse offers long battery life—approximately 1.5 hours of charging provides extended usage time. It also includes auto-sleep mode to conserve power when idle. Universal Compatibility: Compatible with multiple operating systems, including iPad (iOS 13 or later), Windows, macOS, Linux, and Android—ideal for use with PCs, laptops, tablets, and more. Ergonomic and Ultra-Thin Design: Contoured shape and ultra-thin profile ensure comfort during extended use. Smooth surface finish and rubberized scroll wheel provide secure, slip-resistant grip. Easy Setup with iPad: To use with an iPad, update to iOS 13 or later, enable “AssistiveTouch” in Accessibility settings. The device will be automatically detected, and pairing can be completed using the default passcode “0000”.