?Horrible Battery life??Specially customized 250mAh Li-battery,the largest Battery capacity but lowest comsumption offering Longest Continous Working time upto 16-20 hours,while other brands are upto 5-6 hours only,triple capacity than other brands. ?The Sound cut in and out??Upgraded bluetooth chip w/Bluetooth 4.2 offers the stablest and strongest connection,Much stable than Bluetooth 5.0 which may cut in and out,We encourage you to compare!We promise you are making an intelligent decision. ?It's not that loud??Upgraded HD speakers offer sound output upto 110db which is the loudest in the market so far,powerful but still clear and crisp for you to enjoy clear music and take calls in noisy environment.Your world is Yours. ?It won't keep warm??Compared with other brands,we add 0.02lb more knitting,soft double knit material,much more thicker to keep your head warm & comfortable in winter while enjoying music play and phone calls.Buy it Now to Rock the World! ?Come and Buy with Confidence?We know what you need,all of the above advantages are real,You have my words.Washable design,Unisex & One size fits most.FULLLIGHT TECH bluetooth beanies are packed in a Premium Gift Box.Good Unisex Christmas gag gifts.