• Active Noise Cancellation • Transparency mode • Spatial audio with dynamic head tracking • Optical sensors • Motion-detecting accelerometer • Speech-detecting accelerometer • Sweat and water resistant (IPX4) • 5 hrs listening time • 15 min charging to 3 hrs life • 24 hrs battery life with case Be very careful,because the the only official Telegram is this one: @barry61 NB.. SHIPPING IS WORLDWIDE FOR ALL PRODUCTS AND COUNTRIES 100% GUARANTEE THANKS WE HAVE THREE MAIN BRANCHES AND WE ARE OPEN FOR NEGOTIATIONS CANADA, UK AND UNITED STATE OF AMERICA FOR ANY INQUIRIES REACH US VIA telegram.... @barry61 Email... [email protected] NB... only serious inquiry