<b>MX Optical Engine</b><br>
800 dpi optical performance with 5.8 Megapixels/second image processing and 12-bit USB makes the G1 a lightning-fast performer with precision tracking at any speed.<br>
<hr>
<b>80 gram ultra-light construction</b><br>
At a mere 80g, the G1 moves effortlessly, even through your longest gaming sessions.<br>
<hr>
<b>Rugged design</b><br>
Built for the rigors of hardcore gaming, the G1 can glide up to 250 km and can withstand up to 3 million button clicks.<br>
<hr>
<b>Durable Teflon super-slick gaming feet</b><br>
Super-smooth glide for precision tracking and targeting.<br>

MX Optical Engine
800 dpi optical performance with 5.8 Megapixels/second image processing and 12-bit USB makes the G1 a lightning-fast performer with precision tracking at any speed.

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80 gram ultra-light construction
At a mere 80g, the G1 moves effortlessly, even through your longest gaming sessions.

---

Rugged design
Built for the rigors of hardcore gaming, the G1 can glide up to 250 km and can withstand up to 3 million button clicks.

---

Durable Teflon super-slick gaming feet
Super-smooth glide for precision tracking and targeting.

工作人员介绍，这是一款Logitech best selling MX510的Game-Grade Performence mouse..是蓝黑色的，用起来手感的确像mx300，重量更轻一点 80g，应该会更灵活吧。
不错不错~~
bought @ s$55 :P