It is a can and your mobile phone bluetooth connection cap， wear it can listen to music or answer the phone.

Features:
V3.0+EDR Bluetooth version，available for most of devices with bluetooth function.
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 phone up on via device.
Set-in Li-ion chargeable battery， charge via USB Cable， long stand-by time.

Specifications:
Type: Wireless Bluetooth Smart Cap Headset
Color: Pink， Gray (Optional)
Material: Wool !#!amp!*! Rabbit Hair
Bluetooth version: V3.0+EDR
Frequency: 2.402GHz-2.480GHz
Transmission distance: 10m or so
Transmission distance of MIC: ≤1m
Li-ion Battery: 3.7V/100mA
Charging time: about 2Hrs
Standby time: about 60 Hrs
Continuous working time: about 3.5Hrs
Total weight: Approx. 171g / 6.1oz

Package List:
1 * Warm Bluetooth Smart Hat
1 * Charging Cable
1 * Instruction Manual