Specification Brand Lenovo XiaoxinModel Air HandleProduct Size 110 61 32 mmUSB Size 19 13 4 6 mmProduct Weight 60 ± 3 g excluding battery Transmission Method 2 4G WirelessWorking Method Optical positioning with Blue LightDPI Adjustable 600 1200 2400 4000 DPIScroll Wheel Material MetalScroll Wheel Direction BidirectionalAttribute Silent MouseColors Available Black WhiteBattery 1 AA BatteryWireless Range 10 metersFeatures 1 High Precision Sensor Equipped with PixArt3220 sensor providing adjustable DPI settings up to 4000 for precision tracking and smooth movement 2 Silent Clicking Designed with silent micro motion switches for minimal noise ideal for office cafes libraries and public environments 3 Compact and Lightweight Sleek round body design for easy portability and convenience on the go 4 Easy Wireless Connection Utilizes a 2 4G wireless connection for stable and reliable transmission without the need for additional drivers 5 Bidirectional Scroll Wheel Metal scroll wheel offering bidirectional scrolling for effortless navigation 6 Ergonomic Design Comfortable to use with a streamlined shape fitting comfortably into your hand Package Includes 1 Lenovo Xiaomi Air Handle Silent Wireless Mouse1 USB Receiver1 User Manual