Function

Smart Lighting、Hands-Free Phone、Quality Stereo Music、SOS Alert、Walkie-Talkie

Color                             Matte with black & white color、matte with black & red color

Weight                          310g(±5%) American version

                                     310g European version

                                     310g(±5%) Australian version

Head circumference       55-61cm
Vents                             25

Security Certification