Vic Firth's Bluetooth Isolation Headphones provide the convenience and the efficiency that are so valuable in studio and practice settings. These high-quality headphones offer fantastic stereo sound, excellently translating full low end, clean midrange, and clear high-end frequencies. The foam cushions provide not only great comfort, but also noise cancellation, reducing pesky surrounding noise levels by 25 decibels. A built-in 500mA battery affords you up to 20 hours of Bluetooth usage with any enabled device; a 3.5mm line-in cable and a 1/4-inch adapter are included if you prefer a wired approach. Includes additional USB charging cable that keeps these 'phones charged on the go from any compatible source. These Bluetooth Isolation Headphones from Vic Firth are the ideal pick for drummers seeking some extra ear protection behind the kit, or musicians just looking for a comfortable, effective pair of studio headphones with maximum noise cancellation.