Haven't used personally, reviews are a mixed bag as well but good price (and potentially great Xmas gift)
From website:
The Plantronics BackBeat GO 3 Wireless Headphones with Charge Case deliver stunning sound to keep you entertained and motivated in achieving greater fitness heights. Thanks to a sweatproof-design, BackBeat keeps up with the pace even as you perform high-intensity workout routines.
Key Features
Working wirelessly, The Plantronics BackBeat GO 3 Wireless Headphones with Charge Case controls let you adjust volume, skips tracks, take a quick call, or ask your smartphone to play a favorite playlist.
With its custom speakers and audio codec, BackBeat GO 3 outputs crisp and richly-detailed sound for your favourite tracks, podcasts, and other multimedia content.
The Plantronics BackBeat GO 3 has comfort-fit eartips, allowing it to stay secure when worn while also sealing in sound and blocking out ambient noise.
Offering up to 6.5 hours of wireless playback, these headphones make a great companion for long workout schedules, commutes, or day-to-day urban dwelling.
These Plantronics Headphones come with a portable charging case to keep the music going wherever life demands you to be.
The charging case gives you up to 13 extra hours of listening (two full back-up charges) from its built-in, rechargeable battery
Also available without charging case for same price in case sold out
https://www.harveynorman.com.au/plantronics-backbeat-go-3-wi…
Estimated Battery Life (hr) Up to 6.5
Dont bother. You wont get anywhere near it. Last headset i got that said 6 hours, i got closer to 3.