Headphone Loudspeaker diameter: Φ40mm Impedance: 32Ω+/-10%Ω Sensibility: 110dB+/-2dB Microphone sensibility: -54db+/-2db Frequency range: 20-20000Hz

Feature: Headphone Loudspeaker diameter: Φ40mm Impedance: 32Ω+/-10%Ω Sensibility: 110dB+/-2dB Microphone sensibility: -54db+/-2db Frequency range: 20-20000Hz

Voice activity sensor identifies and isolates your speech and subtracts the unwanted background noise to allow you to speak normally in any environment Allows you to hear your caller better by boosting the frequencies that increase voice intelligibility Weighs only 14 grams - That's half of one ounce Comes...

1.With one speaker 2.5.1-channel high-sound quality 3.USB socket and volume control 4.Frequency:0 to 5kHz 5.Rated power:80mW 6.Sensitivity: -58dB

Fashion neck-hang design, suit to use as doing sports, simple, handy, Adopt light, high rigidity material, Highly sensitive hidden microphone, vivid speaker, Single wiring design avoiding winding, elegant timbre.

Mic Dimensions:Φ6.0X2.7mm Sensitivity:-58dB±2dB Impedance:≤2.2KΩ Driver Diameter:Φ30.0mm Impedance:32Ω Fequency Response:20~20kHz Sensitivity(S.P.L):105.0dB±3dB(1KHz) Plug:Φ3.5mm

Stylish and dynamic appearance,Padded headband for increased comfort, Adopts light, stainless steel material, durable to wear, Adopt large scale volume unit, hi-fi speaker, revivify music perfectly, anti-noise,Simple and elegant design make it easy to wear, and fit for all heads’ size