wired headset with mic - hoco w21 purple

1. Speaker: 40mm. 2. Rated power: 10mW. Maximum input power: 50mW. 3. Audio plug: Ø3.5mm. 4. Earphones cable: high elastic braid. 5. Cable length: 1.2m. 6. Microphone: controller with mic. 7. Wire control: one-button operation control.