"The shoes give fantastic LED lights., The shoes have high quality. The shoes can wear for long time., There is built-in battery inside of the shoe. The LED light can be recharged. By about 2-3 hour's...
Advantagescomfortable, motivates, great tracker, health benefits, easy to use, good battery life
Disadvantagescan't be used swimming, quite expensive
AdvantagesClear screen; some good features
DisadvantagesNot waterproof; horrendous battery life
Advantageswell made, addictive to make you collect and use your data
Disadvantagesshort battery life compared to other models, skin irritation from wearing it occasionally.