But I figured for the amount of snow plowing I do (just my own yard) even if it was junk I?d be ok. It uses a 2. Docs keep telling me my ears are clear, no hair/dog hair. Just got these in a size 7. A little over priced for flip flops, but I have a narrow foot and they fit well. Second, it?s a fine line between too loose and scratching your bike, be carful with instal. Amazingly the speaker never even stopped playing music and still works perfectly today more than 6 months later. Going to order the peach color next! This is outside the return window so they did the right thing. The elastic back fools you into thinking your foot is back all the way when it isnt.