I was looking at Banggood and these seemed cheap.
Features:
With no-lid design, you can easily and fastly pick up/push back earbuds.
Turn on the bluetooth faculties of the app and your phone, take up earbuds and they will auto enter pairing mode.
QCY APP available. The exclusive app where QCY lavishes allows you to customize control.switch language and choose music mode.
Thanks to bluetooth v5.0 chipset, both AAC and SBC are available.With polyester diaphragm, the built-in 6mm dynamic driver boosts sound output and offers breathtaking sound quality.
Various modes fitting different needs, master-slave switch.
T1C makes stereo calling accessible. With ENC technology, the other party can hear your call clear as well.
Specification:
Brand: QCY (Xiaomi ecological chain)
Product Model: T1C
Pairing name: QCY-T1C
Chip: Unisoc
bluetooth version: V5.0
Operation range: 10m
bluetooth profiles: HFP/HSP/A2DP/AVRCP/AAC/SBC
Battery capacity(case): 380mAh
Battery life: 3.5hr of calling: 4hr of playback
Top-ups provided by charging case: 4(for both earbuds)
Available system: iOS/ Android/Windows
* The app is only available for system of android 5.1 or above/iOS 11 or above
Package included:
1* QCY T1C TWS bluetooth Earphones New Edition
1* Charging Box
1* USB Charging Cable
3 pairs of Eartips
1* Manual
Approx $24 on amazon AU and it'll probably arrive in a couple business days.