Kontact and Sennheiser brands—world top brand headphones！！ Durable construction and rigid design for greater longevity Bottom-mounted transmit control switch (low/medium/high) Side-mounted receiver volume control slide Surface-mounted dial keys, mute, flash and redial buttons Online indicator LED illuminates when you are on a call Internal sound filtering circuitry for optimal fidelity Fully compatible with Armor Headsets Rubberized no slip base Light weight and comfortable to wear ； Good attenuation of ambient noise High-quality leatherette ear pads extra-large ear caps supplied with ultra noise cancelling microphone and Activegard protection technology double-sided headband adjustmen self-adjusting ball-mounted speaker capsules allow perfect fitting to the head300?2 x 3.5 mm jacks TECHNOLOGY FOR HEARING PROTECTION ACOUSTICAL FOAM EAR CUSHION ear-mounted wireless Bluetooth microphone any other details you need to know,just contact with us!

contact person:Canto
website:http://www.nikegarden.com
contact:nikegarden_23@hotmail.com