Lightweight Sy-g30 Universal Stereo Headset High-performance Noise Cancelling Ergonomic Design 3.5MM

Description: Name: 3.5MM earphone Wire length: 1.8m; Wire material: PVC wire; Speaker material: 40 cm black magnetic speaker; Impedance: 32±15% (Ω); Sensitivity: 110±3 (dB); Sounding principle: moving coil; Frequency response range: 20-20k (Hz); Microphone: 4.0 x 1.5mm; Microphone sensitivity -38±3dB; Microphone impedance: 2.2KΩ; Directionality: omnidirectional; Incoming interface: 3.5mm interface; Packing list: 1 x Manual 1 x 3.5MM earphone 1 x Packing bag Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.  Manual measuring,please allow 1-3mm error,thank you.