Summary: Mine broke just after 5 months. The lights work but my computer tells me that the mouse is faulty and refuses to install. Its also past the refund/return time of 30 days. Well done Trust your running a really good scam here. If I could report your faulty equipment I would.
Summary: I'm just ordering a third of these as the second one is slowly dying. You might wonder why I keep on ordering the same product - well, with this price the build quality is not forever-lasting (I find that I usually eventually manage to kill the left button) but it easily lasts a year or two - and other than that, I absolutely love it.
Summary: Appears nice enough. Feels ok except I've now realised that 75 x 4.7 x 2.8 mm is much too small. Other observations - Loud click. Solid wheel. The biggest problem by far is its most important attribute. The ability to accurately move and point to a desired location consistently! The optics are not tracking properly and the cursor will jump randomly every 15-20 seconds when in motion. I've tried it on different surfaces and different mouse pads.
Summary: I purchased this mouse in Feb. and it has already stopped working. I contacted the manufacturer who told me that the issue must be with my PC. Err... no. I tried it on my PC and my laptop AND my brother's laptop. Highly unimpressed.