language repeater earphone learning machine headphone Point reader earbuds

Impedance:32Ω per earpiece Sensitivity:98dB SPL/ earpiece at 1 mW/earpiece Frequency respond:50Hz~20KHz(-10 dB) Power Handling capacity:50mW 1.3m cable,3.5mm stero jack plug Ear pads: 1. sponge ear pads. 2.leather ear pads Lightweight headphone for meeting, conference stereo headphone with good sound.