Bluetooth headphones are removable for beanie washing
SOFT, SENSIBLE, COMFORTABLE, & WARM - Features premium double soft knit to provide the maximum comfort, delicacy, and secure-fit mobility for most versatile lifestyle indoor, sports-active outdoor, or everyday usage without compromising the convenience.
LOUD & HD MUSIC EXPERIENCE - Enjoy enhanced music listening experience with advanced digital sound, balanced deep bass, dynamic mid-range, & crystal clear high note while staying warm, delivered by high performance stereo loudspeaker driver.
ONE SIZE FIT ALL & UNIVERSAL WIRELESS TECHNOLOGY - Stretchable high quality knit material to fit all sizes and shapes. Universal Bluetooth v4.0 technology with forward/backward compatibility to connect to all other Bluetooth enabled media player devices including smartphones, tablets, iPhone, iPad, Android, Samsung Galaxy, laptops, PC,... etc.
You can get 18 month warranty and life friendly customer service.