The Sennheiser CX 400BT bring excellent sound quality to wireless earbuds with customisable controls and 7-hour battery life that can be extended to up to 20 hours charging on-the-go with the supplied case. GIVEAWAY closed: https://sweepwidget.com/view/21796-fsuthb6j Don't forget to subscribe and leave a meaningful comment on this video about the product for your entry #Sennheiser #CX400BT #HearTheDifference #ad INSTAGRAM: http://www.instagram.com/ellyawesome TIKTOK: http://www.tiktok.com/@ellyawesometech TWITTER: http://www.twitter.com/@ellyawwesome Contact or Business Enquires: http://www.ellyawesome.com/ Thank you to Sennheiser for sponsoring this video