Durable and High Cost-effective : 3-button wired computer mouse with optical tracking, compatible with most desktop computers, Macbooks and laptops Noiseless Click: Mute left and right keys with quiet comfortable rubber rollers provides noiseless clicks, suitable for use in public or late at night without being disturbed. Silent mouse. Comfortable grip: This ergonomically-designed USB wired mouse fits your hands naturally and won’t fatigue after long hours High-definition: 1200DPI optical tracking enables responsive cursor control for precise tracking and easy text selection Wide Compatibility & Worry-free Warranty: Widely compatible with Windows XP/ 7/ 8/10, Linux, Mac OS X , Chrome OS and requires no additional software for easy plug-and-play. Backed by 45 days money back and 18 months warranty.