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
1PC Warm Bluetooth Smart Hat(without retail package)
1PC Instruction Manual
1PC Charging Cable
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.
Package Content:1PC Warm Bluetooth Smart Hat(without retail package);1PC Instruction Manual;1PC Charging Cable