Supply voltage :5V1A
Coat material: double layer breathable goose down cloth
Rated power: 3.7w
Cotton core fabric: second rebound memory sponge
Product features: kneading massage + hot compress
Degree of hardness and softness: moderate
Power battery: lithium battery
Dimensions: 32 * 22. 5 * 11cm
Charging: USB
Package includes: 1 x Massage Pillow