This model features an advanced active circuitry that cancels outside noise-wherever you are.
Product Features
* Measures external ambient noise using active noise-cancellation circuitry, works to reduce noise by up to 90%
* Noise-isolation with ergonomic in-ear design; passive mode functions without the need for a battery.
* Built-in monitor function on the dongle lets you hear surrounding sounds whenever you need, without having to take off your earphones.
* Battery life of up to 100 hours of music entertainment with a AAA alkaline battery
* Closed type earphones powered by 9mm neodymium drivers; for use with all types of digital playback devices.
Technical Details
* Brand Name: Creative Labs
* Model: 51EF0340AA002
* Headphones Form Factor: In-ear ear-bud
* Headphones Technology: Binaural
* Item Weight: 0.35 pounds