Amazon has the Ultimate Ears MetroFi 170 + $15 GC for only $39.99 shipped, originally priced at $49.99. The “earphones fit comfortably inside your ear to create a secure seal to block outside noise by up to 16 dB.” Simply add both the MetroFi 170 and $15 GC both to your cart.

High quality single diaphragm speakers are tuned to deliver clear, authentic sound quality. Frequency range of 20Hz – 20kHz accurately and authentically reproduces your favorite music.

[via Amazon]