Wireless Bluetooth Headphone Beanie Hat

Wireless Bluetooth Beanie Hat with Built-in Headphones

Cap with a built-in mic and headphones
Convenient way to stay warm and keep your hands free
Removable headphones and battery pack
Cap made of soft knit material
Bluetooth version: V4.1
Frequency:   20-20KHZ
Transmission distance: 10 meters
Transmission distance of mic: ≤1 meters
Li-ion battery:  3.7V/160mA
Charging time: 2 hours
Number of charges: over 1000 times
Charging voltage: DC 5V
Standby time:  approximately 48 hours
Continuous working time: about 3.5 hours
Materials:  100% acrylic
Suggested care instructions
Product dimensions: 3”x8”x10”