Sonos still sells two entry-level smart speakers: the One and Era 100. What's the difference and should you upgrade?

The fitness-focused Beats Powerbeats Pro 2 can monitor your heart rate but otherwise don't live up to similarly priced wireless earbuds when it comes to noise cancellation and sound quality.

The Powerbeats Pro 2 put fitness first, with a secure, comfortable fit and the addition of a heart rate monitor. There are some small hiccups in the sound department, but very solid battery life and a ...