4 Users Football Referee Intercom Headset V4C Full Duplex Bluetooth Headphone Soccer Conference 1200M Coach Judger Interphone

Welcome to my store. I hope you have a pleasant shopping experience.Battery Included : Yes High-concerned chemical : None Support intercom : Yes Special Features : FM,Waterproof,Noise Reduction,Support 4 people talking at the same time Item Weight : 0.8 Item Height : 1.5 Item Width : 4.5 Item Length : 8.5 External Testing Certification : ce Model Name : 4pcs V4C Applicable Helmet Type : Half Helmet Power Supply Mode : Built-in Battery Connection Mode : Wire,Bluetooth Maximum Number of Speakers : 4 Maximum Intercom Distance : >1000m Brand Name : XINOWY Certification : CE Origin : Mainland China Plug Type : None Item Type : Helmet Headset