V3.0+EDR Bluetooth version, available for most of devices with Bluetooth function
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 phone up via the device.
Set-in Li-ion chargeable battery, charge via USB Cable, long stand-by time
Material: Polyester fiber
Bluetooth name: TP-308
Transmission distance: 10M
Transmission distance of MIC: ≤1 M
Li-ion Battery: 3.7V/100mA
Charging time: 2.0 hours
Standby time: Up to 60 hours
Continuous working time: about 3~4 hours
The hat size fit for: Head circumference 56~60cm/22~24''(L,M,XL) AdjustableAnswer the phone or listen to music with this Bluetooth Cap with earbuds built right in! Camo print makes it a great choice for hiking, hunting, fishing, or camping!