<p>Active Noise Cancellation and ENC for Clear Calls: The Bluetooth 5.4 earbuds features advanced active noise cancellation technology that reduces up to 95% of ambient noise Ensure no noise disturbance during the trip. This over-ear Bluetooth earphones has excellent ENC call noise cancellation, allowing you to have clear calls even on noisy streets. Hi-Fi Detailed Audio & 60H Playtime: The active noise cancelling headset have oversized 40mm dynamic drivers that produce detailed sound and thumping beats with BassUp technology. Over-ear wireless earbuds enjoy all-day comfort and high-quality audio that keeps you going from morning to night. Wireless bluetooth headphones up to 40 hours of playtime when ANC is on, and up to 60 hours when ANC is off. headphones is perfect for long trips and daily commutes. Wireless Bluetooth 5.4 & 3.5mm Wired Connection: M.A&F's bluetooth 5.4 headset seamlessly switch between wireless Bluetooth connectivity and a 3.5mm AUX wired connection for maximum convenience. Bluetooth earphones ensure more stable connection, faster transmission speed with wider transmission. Notice: There is no active noise cancelling function with 3.5mm audio cable, you should use bluetooth mode for ANC function instead. By included 3.5mm audio cable, you can also change it to wired mode when powers off. Comfortable Earcups & Lightweight Design: The Ear muffs of the over-ear headphones perfectly fits over your ears without any pressure. The ultra-soft protein leather ear cups provide a luxurious, cushioned feel that keeps you comfortable during long listening sessions. Over-Ear earbuds weighing just 0.54 lbs, the M.A&F's bluetooth earphones are ideal for working from home, hitting the gym, travel and transportation, or just relaxing with music—all while staying comfortably on your ears all day long. Foldable Design & Fashion Looks: The foldable and lightweight design allows you to fold and place the over ear headphones anywhere, you can easily fold the headphones into carrying bags and travel cases, taking up less space in your backpack, which are perfect for travel, sports and everyday use. This bluetooth headset is crafted for fashion: its ear cups can rotate flat, allowing you to wear them around your neck to complement your fashionable outfits—enabling you to effortlessly take fashion photos.</p>