(Limit 10 per person.) I sound like an infomercial, but I thought that the price was pretty low.

(每人只限10件)也许你觉得我是在给他们做广告，但是这个价格的确很低。

youdao

All personal music players and mobile phones sold in the EU must now have a sound limit of 85 decibels (dB), but users can increase it to 100dB.

BBC: Fears that music volume limits 'could be ignored'

The latest SRS technologies featured in the 2.0 and 2.1 models limit unwanted volume fluctuations and allow for a more immersive surround sound experience.

ENGADGET: Four new soundbars from Vizio, just in time for the holidays

Only the 318 in question, however, are close enough to the Milky Way for the predicted galactic speed limit not to have been imposed (300m light years may sound a long way, but it is a short hop on the cosmic scale).

ECONOMIST: Cosmic rays: They came from outer space | The