Adopting reliable 2.4GHz wireless technology, this mouse provides quick connection and a wireless transmission range of up to 10 meters. Featuring a handwriting input design, it is ideal for use on narrow desktops and offers comfortable operation in various sitting positions. The ergonomic button layout ensures easy and convenient handling. Constructed from high-quality ABS material, the mouse is lightweight and durable. Product dimensions: 14cm x 2cm x 1.5cm (5.51" x 0.79" x 0.59"). Compatible with Windows 7/8/10/Vista/XP/2000, Android, Linux, and Mac OS. Powered by one AAA battery (not included), offering up to 1-3 months of usage. Features automatic power-off when no signal is detected, helping to conserve battery life. Compact base design saves space. Item Name: Wireless Mouse Pen Material: ABS Number of Keys: 4 Wireless Carrier Frequency: 2402MHz2480MHz Wireless Working Channel: 16, with automatic frequency hopping Rated Operating Voltage: 3V Rated Operating Current: 15mA Tracking System: Optical Speed: 14 inches per second Wireless Type: 2.4G Transmission Distance: 10 meters DPI Settings: 800/1200/1600 (adjustable) Supported Systems: Windows 7/8/10/Vista/XP/2000, Android, Linux, Mac OS Battery: 1 x AAA (not included) Features: High precision, adjustable DPI, high sensitivity Size: 14cm x 2cm x 1.5cm / 5.51" x 0.79" x 0.59" (approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 1 x Wireless Mouse Pen 1 x Receiver 2 x Adapter