True Ergonomic vertical design Natural handshake position to reduce forearm and wrist strain Comfort grip with UV-coated cork material Easy to wipe and clean, resistant to common liquids and gels 6 button mouse, 3 programmable side buttons On-the-fly DPI adjustment, Up to 2400 DPI Blue optical sensor Supports Lenovo Unified Pairing Dongle Customize via Lenovo Go Accessory Central