Material: ABS + titanium alloy + polymer material + sweat-proof lanyard
Color: Gold, Silver Send at random
Volume: 130dB/10cm
Wavelength: 3.74KHZ&4.10KHZ
Lanyard: Length 85cm

Package included: 1xstorage box. 1xTooth protection . 1xAnti-sweat lanyard .1x Special finger clip