This is probably the sexiest travel mug out there. It wouldn't look out of place in an Apple store and it's obvious to see why Rishi 'Dishi’ Sunak (UK Chancellor/full-time dish) decided to take a photo with his (see here). But the Ember isn't just a pretty face. It actually heats up coffee to a temperature of your choice (between 50C to 62.5C) which you can select via an app or by using its touch display. But if good looks and brains weren't enough it's also polite enough to say HELLO when you turn it on and it has a battery life of two hours when you're using it out and about. Perhaps the one thing that might stop you purchasing this and signing up for everlasting hot coffee is the price. It's not cheap. But then again, good things rarely are...