【ANC&ENC Noise Reduction】KO-STAR active noise reduction headphones use a hybrid ANC algorithm and 4 ANC microphones to provide excellent noise control over a wide frequency range. Whether it's the roar of airplane engines, the roar of the subway, or office chatter, it can effectively reduce noise interference and ensure an unparalleled listening experience. [UP TO 60 HOURS OF PLAYTIME] Our KO-STAR over-ear headphones have up to 60 hours of listening time in ANC OFF mode, three times longer than other Bluetooth headphones. A single charge lets you listen to over 700 songs or the soundtrack of multiple long-haul flights. [5.3 Wireless Bluetooth Connection] KO-STAR 1092 is equipped with dual 40mm drivers, bringing you superior high-resolution audio sound and balanced deep bass, giving you a better listening experience. In addition, it breaks the single connection method and supports both wireless and wired connections. [All-day Comfort & Adjustable Design] KO-STAR noise reduction headphones uses ultra-soft protein leather earcups, which allows you to wear it for a long time without feeling uncomfortable. The earmuffs can also automatically adjust the angle to suit users with different head shapes. Making them the ideal headphones to work from home or watch your favorite movie. [Multiple modes to choose from]There are three modes to choose from. The noise reduction mode effectively blocks external noise, the transparency mode allows you to hear the sounds of the surrounding environment, and the normal mode is suitable for daily use and meets different needs. [Portable design]Our Over Ear Bluetooth Headphones Foldable design, easy to carry, suitable for travel, office and home use. No matter where you are, you can always enjoy high-quality music. KO-STAR active noise reduction headphones use a hybrid ANC algorithm and 4 ANC microphones to provide excellent noise control over a wide frequency range. Whether it's the roar of airplane engines, the roar of the subway, or office chatter, it cancellation picks up and filters out up to 95% of machine noise and ensure an unparalleled listening experience