1. Silicone material: skin heat conduction fast, soft and comfortable, one can scrub

2. Pure graphene diaphragm heat: instantaneous warming, 5cm deep under the skin, relieve menstrual pain, relieve cold stomach cold

3. Mesh vent design to accelerate the release of far infrared deep penetration

4. Built-in battery design, wireless use more convenient

5. Type-c charging port