expired Xiaomi Square Box Wireless Bluetooth Speaker $13.89 US (~$18.08 AU) Shipped @ Lightinthebox
Negotiated a deal with LITB on this good Bluetooth speaker from Xiaomi.
EDIT: LITB have brought this deal back and knocked 10c off.
Apply coupon at checkout. AU$ based on current exchange rate.
You can pair your device to the speaker via Bluetooth 4.0 within 10m and playback sound up to 10 hours with its inbuilt 1200mAh rechargeable battery. The speaker is made from durable ABS with a metal frame and measures 15 x 62 x 25.3mm.