Rechargeable Electric Cervical Neck Massager Relax Heated Body Musle Relief Pain

1 4 Head Neck Massager. 1 3 Head Neck Massager. 1 2 Head Neck Massager. Shut down: long press the power button for 2-3 seconds. Heating mode: This product is automatically heated, and it will reach a constant temperature after 1-2 minutes of starting up.