The dual power options -- corded or cordless -- are a huge bonus. Plug it in for all-day use at home or take it on the go with the rechargeable lithium-ion battery, which delivers up to 12 hours of ...

Another summer heatwave has arrived: you’re sweating through your shirt on the train, your fringe is stuck to your forehead, and it feels like someone’s just locked you inside the sun. You could try ...