Looks like it was this price six months ago - https://www.ozbargain.com.au/node/577263 , but still a pretty good price given the functionality.
The JBL Link 10 is a voice activated portable speaker with Wi-Fi and Bluetooth® enabled that delivers immersive stereo sound. It has the Google Assistant built-in. It’s your own personal Google. Always ready to help. You can ask it questions. And tell it to do things. The more you use it, the more useful it gets. Just start with “Ok Google” – a simple voice request triggers your JBL Link 10 to play music, podcasts or radio from services like Google Play Music, Spotify and more*. This compact speaker is powered by a 4000mAh rechargeable Li-ion battery that offers 5 hours of continuous, high-quality audio playtime. Featured with durable, waterproof fabric materials, JBL Link 10 is ready to outlast all your adventures. And with the Chromecast built-in, you can instantly start streaming to JBL Link 10 from your favorite music apps*.
Get help from your Google Assistant
JBL Link 10 has the Google Assistant built-in. It is your own personal Google. Always ready to help.
Hands-free voice control
Far-field voice recognition allows for easy hands-free operation. Ask questions across the room and the JBL Link 10 will respon.
Simple setup with the Google Home app on iOIS & Android
With the free Google Home app on iOIS & Android, you can easily setup and manager your JBL Link 10.
Lets you instantly stream your favourite music, radio or podcasts from your mobile device to your speakers.
24 bit/96kHz High quality sound, powered by the cloud
Chromecast streams directly from the cloud, so you get the highest sound quality. Enjoy crystal clear sound exactly the way the artist intended.
Multi-room playback accross speakers that hava Chromecast built-in
Easily set up your system and control multi-room playback with the Google Home app. A step by step guide allows you to quickly start streaming your music.
2.4/5GHz Wi-Fi Connection Network Support
Support both 2.4GHz and 5GHz Wi-Fi connection, resulting in a faster, robust and more stable wireless connection.
Wireless Bluetooth Streaming
Wirelessly stream high-quality sound from your smartphone or tablet.
5 Hours of Playtime
Built-in 4000mAh rechargeable Li-ion battery spports up to 5 hours of playtime.
No more worrying about rain or spills; you can submerge Link 10 in water.
The durable fabric material and rugged rubber hosing allows your speaker to outlast all your adventures.