TaoTronics ANC Foldable Bluetooth Headphones Durable Over Ear Headphones with Soft Protein Ear Pads & 24 Hour Playtime CVC 6.0 Noise Cancelling Mic Wireless Headphones Active Noise Cancelling Headphones: Cancels unwanted noise for full music immersion when travelling or commuting even in the most crowded environments Audiophile-Grade Sound: A finely tuned audio symphony pairs with an advanced CSR Bluetooth chip and dual large-aperture 40 mm drivers Long-Lasting Comfort: Features soft protein ear pads; an adjustable headband made of resilient zinc alloy; and stretches up to 180 Degree without deforming 24 Hour Playtime: Bluetooth headphones stream audio all day long on a single charge; Bluetooth 24h / ANC 24h / Bluetooth + ANC 20h Outstanding Call Quality: Wireless headsets CVC 6.0 noise-cancelling microphone eliminates disturbance and transmits your voice clearly