One Piece EJEAS Football Referee Headset Intercom FBIM

Brand : EJEAS
Model No.: FBIM
Function: Support Up to 4 Users to speak at the same time, without pushing any button while use it. This listing is for one piece.
Please order the right quantity of items according to your requirement.
While using it, all users can speak and listen to each other at the same time.
Also Work For:
Football Referee talking, Soccer Referee Communication Headsets, Skiing enthusiasts
Construction and mining workers, Fire control personnel, Traffic police etc..

Technical Feature:
Dimension: 83mm X 46mm X 18mm
Charging time: 3 hours
Talking Time: 12 hours
Charging adapter: 5V/500mAh
Battery capacity: 850mAh
Bluetooth Version:3.0

Package Included:

1 x FBIM Intercom
1 x Earphone
1 x USB charging cable
1 x User Mnual
1 x Armband Case
1 xStorageBox