Most of us love listening to music while exercising. You are going to need a decent pair of headphones though. The Moudio M100 Bluetooth Headphones connect to your smartphone wirelessly to play your music. It also serves as an activity tracker. Moudio M100 has a rechargeable battery that lasts up to 20 hours. The companion iOS app lets you keep an eye on your daily activity. Like what you see? You can get yours here.