Xiaomi Mi Smart Band 4 US $22.29 (~AU $33.34) Shipped via Xiaomi MC Store @ AliExpress
This popular deal is back, slightly cheaper than last time even more so using coupon AU $4.49 Off Order of AU $29.92 or more
You can get the coupon from this recent deal
Reading comments from previous deal, it seems they received theirs about 2 weeks after ordering which is excellent for free standard shipping from China.
Price in title inclusive of GST - Don't forget cashback for further savings.