The new JVC HA-S90BN combines outstanding sound quality with Active noise cancelling circuitry to provide a superior listening experience. With built-in Bluetooth wireless technology, NFC connectivity, 3 selectable sound modes, 27 hours of music in wireless mode, or up to 35 hours of in Noise cancelling (in non- Bluetooth mode). It has enough power to keep you entertained during your journey. Engineered with quality materials for durability and comfort for long listening time. The two-way foldable design ensures your JVC noise cancelling headphones are always with you wherever you go! Features Around-ear noise cancelling headphones free of cord with Bluetooth Wireless Technology 27 hours of wireless connection (NC off), 35 hours of NC function (BT off) with built-in rechargeable battery Instant pairing with NFC technology Integrated remote & mic for smartphones located on headphone 3 selectable sound modes (Nomal/Bass/Clear) Easy to carry swivel design Includes carrying pouch and detachable cord for use on flights or with power turn off Specifications Transmission Area Approx. 33ft (10m) Driver Unit 40mm Magnet type Neodymium Frequency Response 8-25,000Hz (wired) Sensitivity 100dB / 1mW Max. Input Capability 30mW (IEC) Power Supply Li-polymer rechargeable battery Battery Life (approx.) 16 hours (NC+BT, approx. 3.5 hours of charging time, depends on use) Cord Length 3.94ft (1.2m, detachable, for wired use) Weight (without cord) 6.88oz (195g) Plug (iPhone compatible, Gold plated, L-shape on detachable cord) Bluetooth version 3.0 (class2) Bluetooth profile AVRCP,A2DP,HSP,HFP Supporting codec SBC Easy connection set-up NFC Accessory Detachable cord, USB charging cord, Carrying pouch