
If this looks different from other battery life specs in the true wireless realm, you’re not wrong-most have a lower estimated charge in the earpieces (say, six hours), and claim to hold two or more full charges in the case. Sony estimates battery life to be roughly nine hours, with another nine hours in the charging case, for a total of 18. In this price range, the lack of an app isn’t shocking, but it would have been nice to see support for Sony’s popular Headphone Connect app.

There's no app, so there's no way to adjust EQ and dial back the bass depth. The earphones are compatible with Bluetooth 5.0, and support AAC and SBC Bluetooth codecs, but not AptX. The flip-top case has a status LED on the inside, and a port for the included USB-C charging cable on the back panel. Depending on the ear, you can use the button to control playback and track navigation (when tapped multiple times), summon your phone's voice assistant (when held down), handle call management, and control power and Bluetooth pairing. In addition to status LEDs, each earpiece has a single multi-function button on the lower outer panel. And keep in mind the charging case isn't water resistant, only the earpieces are. Internally, 12mm Neodymium drivers deliver a frequency range of 20Hz to 20kHz.Īn IPX4 rating means the earphones can withstand light splashes and should be fine to wear at the gym or in light rain, but it would be unwise to submerge the earpieces or expose them to anything more than light pressure from a faucet.

In fact, the larger footprint for the outer earpieces might actually be part of what helps them stay in place. The in-ear fit is quite secure, and feels lightweight despite the somewhat bulky build. The earphones ship with four pairs of silicone eartips in various sizes.
