JVC

Wireless: Yes, Remote and Microphone: Yes, Number of Buttons: 3, Volume Button: Yes, Power Button: Yes, Dynamic frequency response range: 20 – 20000 Hz, Magnet type: Neodymium, Bluetooth Version: 4.1, Battery Type Headphones: Built-in rechargeable battery, Battery Life Headphones: Max. 5 hours, Max. Battery Life: 5 hours, Charging Time Headphones: 2.5 hours.