Specifications:

Bluetooth Version: V3.0+EDR
Frequency: 2.4026GHz-2.480GHz
Transmission distance: 30ft or so
Transmission distance of MIC: ≤3 ft
Li-ion Battery:3.7V/100mA
Charging time:2HRS
Standby time:60 Hrs or so
Continuous working time:about 3.5Hrs
Size:Fits for head circumference 56-62cm
Speakers can be taken off so that you can wash the hat
Material:Woolen yarn
Package Content:

1PC Warm Bluetooth Smart Hat(without retail package)
1PC Instruction Manual
1PC Charging Cable

• Stay warm and enjoy hands-free music and calls. Perfect for outdoor sports, running, skiing, skating, hiking, working out, dog walking, holiday travelling, and so on. Premimum soft warm double knit beanie hat is perfect for spring, fall, and winter.
• Syncs to any Bluetooth device in seconds such as iPhone, Samsung, HTC, Nexus tablets, iPads, and all other bluetooth compatible devices.
• High quality built-in stereo speakers produce excellent sound quality to make any activity fun.
• Set-in Li-ion chargeable battery, charge via USB Cable, long stand-by time.
• Speakers can be taken off so that you can wash the hat.

Stay warm and enjoy hands-free music and calls. Perfect for outdoor sports, running, skiing, skating, hiking, working out, dog walking, holiday travelling, and so on. Premimum soft warm double knit beanie hat is perfect for spring, fall, and winter.AutumnFall®