Multifunctional 2.4GHz Wireless Bluetooth Hat Knitted Winter Cap with Hands-free Calls for iPhone Android Devices

Main Features:
V3.0 + EDR Bluetooth version, available for most of devices with Bluetooth function
Knitted material, fashion and keep warm with answering 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 hands-free answering phone up via the device
Enjoying music via Bluetooth connect
Long working distance up to 10 meters
Set-in Li-ion rechargeable battery, charged via USB cable, long stand-by time
Specifications
General Material: Knitted
Color: Gray, Black
Special Function: Bluetooth Talking, Music Receiver
Battery: 300mAh
Charging Time: 4 hrs
Working Time: 15 hrs
Application : Smartphone
Function Info
Synchronous: Bluetooth
Bluetooth Version: V3.0+EDR
Bluetooth Distance: W/O obstacles 10m