Cycling Helmet Bluetooth Phone Call Supported Road Bicycle Adult Helmet Smart Safety Helmet with HD Camera

Item No.:LHM250007
Name:smart helmet
Material:PC+EPS
Size:28.5*22.5*19.5cm(head circumference:55-58cm(M),59-61cm(L))
Net Weight:440g
Battery Type:1500mAh polymer Li-ion battery
Rated Voltage:3.7V
Power Input:5V/2A,type C
Standard Packing:Oppbag
Feature:4-hole,unibody design,adustable head circumference,detachable goggles,IPX5 water-resistant,dual-antenna bluetooth 5.2,1080P/60FPS HD camera,remote control turn signal warning lights,automatic brake sensor,earmuffs option