BANG & OLUFSEN Small and lightweight, these adaptive active noise cancelling earphones are designed with 6 built-in microphones, for clear calls and authentic audio. Adaptive ANC and Acoustic technology creates a stable performance for total silence, authentic audio and crystal clear calls without distraction. An advanced battery offers up to 20 hours of playtime or 6.5 hours with ANC, with a fast charge feature for an additional two hours of playtime with just a 20-minute charge. Beoplay EQ are ergonomically shaped to fit comfortably in ear. Interchangeable ear tips in a variety of sizes allow adjustment for a snug fit. The aluminium touch interface offers easy access to features.