Headphone
Effective freq.Band:20hz-20khz
Rated input power:10mw
Directivity:omnidirectional
Effective freq. Band:20hz-20khz
Max.Operation voltage:10v
Standard operation voltage:4.5v
Blister card&binding card
Earphone
Effective freq.Band:20hz-20khz
Rated input power:3mw
Max.Input power:5mw
Poly bag