Our Verdict 
These Panasonic's are great on paper with an innovative battery pack, but are held back by compressed and tiring sound
For 
Innovative battery pack idea, effective noise isolation
Against 
Tiring sound, compressed
Reviewed on

With in-ear designs available at this price that offer exceptional noise-isolation – think Shure's SE110s – it's strange to find a noise-cancelling pair, which add a cigarette-lighter sized battery pack (not pictured) to a snug fit to shield your tunes from outside intrusion.

Odd, then, but fairly effective –boosted by a neat volume slider. Sadly, however, the sound is compressed and tiring – you can buy better