Enlarge Image Ian Knighton/CNET

Enlarge Image Ian Knighton/CNET

Admit it, you clean your water bottle sparingly, at best. The Quartz Bottle, which was on display today at the CES tech show in Las Vegas, wants to take over the responsibility by using ultraviolet light to keep itself and your water clean.

Here's how Quartz works: The cap of the 18-ounce (about half a liter) bottle contains a UV-C light that activates every four hours. According to Quartz, that UV light purifies your water and the bottle itself.

Read more: The best water bottles in 2019 that'll make you want to drink more water

Quartz will cost $99 when it goes on sale later this year (converts to roughly AU$125, £75). There's already plenty of interest in it, as the company raised almost $1.4 million during its Kickstarter crowdfunding campaign last year.

Features

Charges with USB

One charge lasts two to three months

Available in five colors: black, pink, blue, white and mint

Double-insulated to keep liquids cold for 24 hours or hot for 12 hours

What to expect from the smart home at CES 2018: We take a look at the smart home and appliance trends we expect to see this year.

CES 2018: CNET's complete coverage of tech's biggest show.