Knitted material, fashion and keep warm with answer the phone in winter
Set-in MIC, available for cell phone to transmit the speaking phone to your audio devices directly so that the user can hand free answering
Set-in Li-ion chargeable battery, charge via USB Cable, long stand-by time.
V3.0+EDR Bluetooth version,available for most of devices with bluetooth function.
Bluetooth Version: V3.0+EDR
Transmission distance: 30ft or so
Transmission distance of MIC: ≤3 ft
Charging time:2.5 HRS
Standby time:60 Hrs
Continuous working time:about 5Hrs
Size: Fits for head circumference 56-62cm
Speakers can be taken off so that you can wash the hat
1*Warm Bluetooth Smart Hat