Fulllight Tech Bluetooth Beanie Hat Longest Working time: Specially customized 250mAh Li-battery,the largest Battery capacity but low consumption offering Longest Battery Life up to 16-20 hours keeps you listening instead of charging.while other brands’ battery is only 150mAh and support 5-6 hours working time.Triple capacity than other brands. Louder Speaker: This 2019 Version Bluetooth Hat strengthens the features of speaker.The Max Volume Output is up to 110dp. while other brand’s 70-80 only,With this beanie,you can enjoy clear music even you are in a noisy street. $28
