Dolaer SoundBot SB210 HD Stereo Bluetooth 4.1 Wireless Smart Beanie Headset Musical Knit Headphone Speaker Hat Speakerphone Cap,Built-in Mic (BLK/WHT)

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 forwarding/backward compatibility to connect to all other Bluetooth enabled media player devices including smartphones, tablets, iPhone, iPad, Android, Samsung Galaxy, laptops, PC,... etc. HUMAN ENGINEERING DESIGN - Intuitive control buttons & high-density built-in rechargeable battery to manage 7hrs of hands-free calling and 5hrs of wi