mouse wireless-1600 DPI, Vertical ergonomic mouse with 250Hz,Eye free engine

• 3 million times button life , quite durable quality
• Up to 20m Ultra-long distance transmission ensure a non-stop connection
• Vertical ergonomic mouse with ergonomic design ,comfortable touch feeling
• 2.4G Wireless mouse
• Portable Mobile Mice Mute Noiseless Mice with USB Receiver for Notebook, PC, Laptop, Computer, MacBook