received this product within 30 hrs so the delivery is super super fast i waited to post my reviews because i wanted to test it first im using it for last 10 days 34 hrs daily and the battery is not even gone down to 50 heres my reviewdesign fantasticbattery awesomelight weight and comfortable you dont feel like youre carrying something heavier over your headbluetooth connectivity sometime i go to another floor of my house with the headphones on my head with music playi