Features:
1.Support connecting two phones
2.Apple phone can be displayed on electricity
3.Long standby (can stand 3-4 days) 

Specification:

Bluetooth Mode	Stereo calls vibration
Bluetooth version	V4.0 + EDR compatible
Frequency	2.4GHz-2.48GHz
Transmission power	Class 2
Operating voltage	3.6V
Operating Current	≤ 25mA
Transmission distance	10m
Charging time	1hour~2 hour
Talk time	About 4 hours
Standby time	About 150 hours
Material	Plastic
Color	Black

Package Included:

1 X BT headset	1 X Ear hook
1 X Ear cap	1 X Data cable charging cable wear
1 X Instructions