Plantronics Backbeat Go 810
RRP $239.95 Now $100 (58.3% off)
Plantronics Backbeat Pro 5100
RRP $279.95 Now $110 (60.7% off)
Plantronics Backbeat Go 410
RRP $199.95 Now $100 (50% off)
Plantronics Backbeat Fit 6100
RRP $279.95 Now $100 (64.3% off)
Plantronics Backbeat Fit 350
RRP $119.95 Now $80 (33.3% off)
EDIT - please check Amazon and other retailers for potentially cheaper pricing.
Thanks /u/spock for
Plantronics Backbeat Pro 5100
RRP $279.95 Now $90 (70% off)
https://www.amazon.com.au/BackBeat-5100-Wireless-Bluetooth-E…
Thanks /u/scrimshaw for
Plantronics Backbeat Fit 6100
RRP $279.95 Now $59 (78.9% off)
https://www.amazon.com.au/Plantronics-BackBeat-6100-Headphon…
Plantronics Backbeat Pro 5100 $90 Amazon.