Want to stream video or audio to your TV or hi-fi system? It doesn't get much easier or more affordable than Google's family of streaming devices...

And while these streaming dongles won't exactly break the bank, savings to are there to be had. Which makes them even harder to resist.

We've found the best online deals and savings for the Google Chromecast TV streamer, the Chromecast Audio music streamer and the latest addition, the Chromecast Ultra 4K video streamer.

For the uninitiated, the standard Chromecast dongle is a way of adding video services such as iPlayer, Netflix and more to your TV, while the Chromecast Audio is a brilliant way to turn any traditional hi-fi into a streaming music system. Want to watch 4K content? You need the Ultra.

MORE: Music streamer reviews

Best Chromecast deals

Google Chromecast Ultra

Tested at £69 / Now £69 at Currys PC World

Doesn't look like much of a bargain, but this deal on Google's 4K streamer comes with a 3-month Now TV Entertainment Pass for £5 (usually £20).

 

Google Chromecast Audio

Tested at £30 / Now £20 at Currys PC World - saving £10

Google turns its hand to music streaming, with seriously impressive results - and you can save 33% with this deal.

 

 

Google Chromecast 2nd gen

Tested at £30 / Now £30 at Tesco Direct

Another deal within a deal: this comes with a Now TV 3-month Entertainment Pass for £5 (usually £20).

 

MORE: Best TV deals