Pair a $5,000 chromed-out Italian espresso machine with old or poorly ground coffee, and your ristretto will taste mediocre — or worse, like a cup of salty battery acid. But invest in a good manual ...

Most eReader upgrades add a screen light, a touchscreen, or a bigger price tag. The XTEINK X4 Classic goes the other way. It's known as the X4 Classic during development, and it keeps the parts people ...

Lightweight and compact. Fun to use. Upgrades over the X4, including a touchscreen and home button. Can magnet-attach to some smartphones. App makes it easy to send web pages and files from your phone ...

Working with small parts is always a bit of a headache when it comes to electronics repair, assembling a new PC build, and model building. You could slap on a pair of jeweler’s eyeglasses, but there’s ...

Most people would probably look at something like the Boox Palma 2 Pro and assume ereaders don't get much smaller, but the Xteink X4 Pro makes that device look almost unwieldy by comparison. Xteink ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Xteink is back with the ...

The $99 X4 Pro costs almost as much as a Kindle, but it’s a tempting alternative if you prioritize portability. The $99 X4 Pro costs almost as much as a Kindle, but it’s a tempting alternative if you ...

Every once in a while, an obscure brand comes out with an entirely new class of devices. One that may not be supremely practical, but it serves a niche purpose. Electronic ink readers are having a ...

Perhaps they can take a peek into the infinitesimal world outside with Bubo, a 2-in-1 digital microscope currently on Kickstarter. Designed for ease of use by curious novices and students alike, Bubo ...

Stanford researchers have combined two microscopy techniques to create a one-of-a-kind instrument that can show cell structures interacting in real time at an unprecedented 120-nanometer ...

The second-generation X4 left production last November with no immediate successor in sight. Spy photos show that an electric replacement is nearly here, which will carry the iX4 designation.