Audio-Technica ATH-S700BT SonicFuel Bluetooth Wireless Over-Ear Headphones

ATH-S700BT over-ear headphones with Bluetooth wireless technology and in-line mic and music & volume controls for use with compatible smartphones and listening devices Pairs with up to eight Bluetooth wireless devices 40 mm drivers and built-in headphone amplifier Separate acoustic chamber in housing helps maximize driver performance Powered by a lithium polymer rechargeable battery (6 hours continuous use 200 hours standby) USB charging cable included Features: * Frequency Response - 10 - 23,000 Hz and Impedance - 16 ohms