The Sonos Arc Ultra and the Sonos Beam 2 are sleek soundbars designed to elevate your home theater experience, but they differ in key ways. Firstly, the Sonos Arc Ultra is significantly larger ...

Keep your Android (or even Apple) phone powered on with only top-quality, best-value portable chargers and power banks. Executive Editor David Carnoy has been a leading member of CNET's Reviews ...

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Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

Power banks are big rechargeable batteries with built-in USB ports, and their flexibility and portability make them one of the most useful accessories you can carry for keeping your devices topped up.