SpecificationModel:GM-5 Speaker diameter:50mm Type:Over-the earImpedance:16±15%ΩSensitivity:105±3DbFrequency response:20HZ-20KHZMic:6.0×2.7MMMic Sensitivity:38±3DbMic Impedance:2.2KΩDirectivity:All DirectivityCable Length:2.1±0.15MLED operating coltage:DC5V±5%Operating current:≤100mAHeadphone Interface:USB±3.5mm4pinItem weight:380g / 13.4ozPackage content1 *…