Features:
100% brand new and high quality
Two sound track stereo earphone， perfect music enjoyment
V3.0 + EDR Bluetooth version， avaliable for most of devices with bluetooth function.
Knitted material and handsfree speaker that protects the head from the cold winter 
Set-in MIC， available for cell phone to transmit the speaking phone to your audio devices directly
Allow you to listen to music and talk while doing variety of other activities.
Built-in Li-ion rechageable battery，charge via USB cable， long stand-by time

Specifications:
Bluetooth: V3.0 + EDR
Frequency:2.402GHz-2.480GHz
Transmission distance:5-10M 
Transmission distance of MIC: less than 1m
Li-ion battery: 3.7V/100mA
Charging time: 3 hours
Stand-by time: 80 hours or so
Hat Size: One size fits most， approx 26 * 22cm (Flat)
Color:Light grey
Material: Knitted

Package Included:
1 * Bluetooth music hat
1 * Micro USB to USB cable
1 * Audio cable