Beats' Powerbeats3 deliver great sound for a Bluetooth sports headphone. They're reliable and have long battery life thanks to Apple's W1 chip, which makes pairing with iOS, as well as Android, dead simple.
Plantronics' BackBeat Sense SE are lightweight, comfortable on-ear wireless headphones with great sound for Bluetooth. Bonus, they can sense when you're wearing them, are water-resistant and have good battery life.
AKG's N60NC Wireless on-ear headphones are compact, comfortable and well-designed. Smaller and lighter than others of their style, they're impressive compact wireless headphones with active noise-cancellation.