I've got the 300. Use it on my commute, battery last well, micro usb under a little rubber grommet on the bottom, even survived falling off my bike at about 20mph (my modified attachment failed). Only thing to complain about is the cateye "flextight" bracket.
I've got the 300. Use it on my commute, battery last well, micro usb under a little rubber grommet on the bottom, even survived falling off my bike at about 20mph (my modified attachment failed). Only thing to complain about is the cateye "flextight" bracket.