TOZO PE1 Portable Bluetooth Speaker, IPX8 Waterproof, 32H Playtime $37.49 + Delivery ($0 with Prime/ $59+) @ TOZO AU Amazon AU

• IPX8 Waterproof.
• 32H Playtime
• 43.5mm Dynamic Driver
• Bluetooth 5.4
• Multipoint Support
• Tozo App Support

Apply the 25% coupon.

This has excellent reviews, I just bought myself one for use in the shower.