Ring video doorbells on display at an electronics store. - PJ McDonnell/Shutterstock The Ring Video Doorbell, originally released in 2014 and later known as Amazon Ring, was supposed to be a simple ...

At a glance Expert's Rating Pros ・Incredibly slim & light ・Improved battery life ・Build quality and range of colours ...

Flying in the face of Apple, whose smart ring rumors have yet to bear fruit, Samsung introduced a unique prospect to its ecosystem by launching a ring that can be used in sync with its smartwatches.

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Gymnastics rings ...