To order visit our website.. www.sastogadgets.com 1 year warranty Stereo & HD Calls: Features 2 microphones with an ENC noise reduction algorithm for crystal-clear conversations even in noisy environments like subways or busy streets. Superior Sound Quality: Equipped with 10mm drivers and a large acoustic cavity to deliver powerful, high-fidelity sound performance. Long Battery Life: Enjoy up to 6.5 hours of playtime on a single charge, with a total of 32 hours when using the charging case.