These pocket-sized tech gadgets are packed with purpose (and they're inexpensive)

Small gear, big gain. Check out these chargers, USB-C accessories, Bluetooth gadgets, and more - and some of these may still be discounted.

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The spring season is one of my favorite times of year to make practical purchases that can upgrade your everyday routine. And bigger doesn't always mean better -- especially when it comes to tech. Some of our favorite gadgets can fit right inside your back pocket, making them easy to integrate into your lifestyle and take with you wherever you go. 

Also: 12 travel gadgets that can upgrade your spring break

From Bluetooth trackers and accessories to cables and more, there's a lot of tiny tech to consider. Reviewers at ZDNET have tested more than a few of these mighty yet miniature options, including our in-house gadgeteer, Adrian Kingsley-Hughes, and me. These are some of our favorite ...