【LONGEST WORKING TIME】: The best battery offers continous working hours upto 15-20 hours per recharge(depends on volume) while other brands are 5-8 hours only.

【THE BEST CONNECTIVITY】: The best bluetooth chip with stable V4.2 technology sync to any bluetooth enabled device in seconds upto 33 feet without connectivity dropping while others' connectivity(including V5.0) may cut in and out.

【THE BIGGEST VOLUME OUTPUT】: The best speakers offer the best sound quality and the biggest volume output upto 120DB to enable you enjoy your playlist and take your calls in any noisy environment wihie others are 50-60DB only and can't drown out noise.

【DOUBLE THICKER】: The Double-knit material weighs 2.8oz,double thicker than others to keep your head warm in cold weather while others are only 1.4OZ.Washable,Unisex,soft and elastic mearial fits most head.Great Christmas gift for men,women,girls,boys.

【GREAT VALUE】: Comes with FREE knit gloves,comfortable and warm,No worrying about cold weather. All of the above advantages are assuring,we encourage you to compare.