The Sleepme Chilipad Systems claim to cool even the sweatiest sleepers—and warm the chilliest. For some, it’s an expensive but effective fix for better sleep.

Lorde's new album Virgin comes on a transparent CD, which is pretty cool, but there's just one catch – CD players can't play it.

The FiiO K15 isn't just a DAC and headphone amplifier. The new unit also acts as a preamplifier and a streamer, with a host of flexible connections and streaming methods available.