Sound Advice: USB charging won't 'blow up' camera

Q. I am considering a jHub power bank as an additional charging source for our two cameras when we travel. However, I do not know if it is safe to use it with our equipment.

I bought an extra battery kit for my new Sony RX100 Mark III. It came ...

Sound Advice: Power up with jHub devices

Q. I recently found your review of the jHub Ultra power bank from Modern Portable. In checking their website I discovered a new model to be released mid-February, called the jHub Elite. I plan to purchase several for graduation and birthday gifts....

Sound Advice: They sound like winners

Q. I recently read your column about the Mass Fidelity Core, the small single-piece Bluetooth speaker that sounds like a pair of speakers placed eight feet apart. I have also read reviews on their site, which are all extremely positive.

If you ...