M74 Classic wired earphones with mic 1.2m one-button operation control, combination set 20pcs per box1. Speaker: 10mm.2. Audio plug: O3.5mm. Weight: 38g (including storage box).3. Earphones cable: TPE high elastic cable with enameled wire. Cable length: 1.2m.4. Microphone: controller with microphone. In-line control: functional one-button operation control.Packaging method: storage box for earphones, display box – 20 boxes per box (black * 10pcs + white * 5pcs + purple * 5pcs).