Technical parameters: 1. Two speed power switch for strong and weak massage 2. In-depth massage of the double heads will more effectively relieve discomfort and renew vitality 3. Streamline design is artistic, tasteful and fashionable 4. Various kinds of silicon rubber heads can be chosen 5. Adopts infrared technology, the warm moxibust function of infrared can promote metabolism 6. Rated frequency: 56-60Hz 7. Motor rotation speed: 3,800+/-10% 8. Rated voltage: AC 110-230V 9. Rated power: 28W