100% new quality.
Mouse name: MMR2, MMR4
Button: 6 buttons with wheel.
Tracking system: optics.
Maximum DPI: 3200DPI (MMR2 White / Black + MMR4 White / Black).
Ultra precision wheel.
Optical technology works on most surfaces.
Ergonomic design, long-term use without fatigue.
Smart connection, no coding, plug and play.
Feel comfortable, moving and stable.
Switch life: 50 million times.
Packaging size: 6 (L) × 4 (width) × 2 (high) inch).
Compatible with Windows XP, Vista, Windows 7, ME, 2000 and Mac OS ... or the latest version.
Users: high-end players, game professional players.

If you are unsatisfied with your item for any reason, return it within 30 days of delivery.