Rock your world! Sometimes you just want a little extra oomph in that bass, and these Bamboo Precision Tuned Earphones are designed to deliver. Tuned just right for bass-strong movies, music, and games, these aren’t just another set of high-tech earphones. The outer shell is made from bamboo, one of the planet’s most sustainable resources, and the rest is designed to be recycled at the end of its long life. A 3.5 mm jack, in-ear passive noise cancellation, integrated microphone and interchangeable earcaps are all packed into a felt-lined recycled metal carrying case for safety. Green never sounded so good!