1. Top drawer flannel meterial, perfet lumbar curve design ;
2. Comfortable vibration massage strength, helps to release stress, increases blood circulation.
3. Two vibration motor inside, on/off switch on side, easy to opearte.
4. Two mode autoplay.
5. 15min timing function.
6. Wireless designs, useable at anytime anywhere.
7. Powered by 4 AA size batteries (price without battery ).