Specification: Rated input:100 ~ 240V 50 / 60Hz 1A;  Rated voltage:24V DC;  Type:Lithium ion;  Capacity:2400mAh;  Working time:2 hours;  No-load speed:3000r / min;  Speed:20 speed adjustment;  Weight:1.5kg;  Size:25x23cm;    Features: 1. Includes 6 different massage heads to meet various needs.  2. Effectively reduce muscle stiffness and soreness, and increase blood circulation.  3. 20-speed adjustment, you can choose the speed that suits you.  4. The intelligent timing function of 10 minutes ensures the long life of the machine.  5. 2400mha large capacity lithium battery, standby for 3 hours.  6. With over-protection, over-heat protection and other safety protection devices, safe to use.  7. Suitable for recovery from sports fatigue, rehabilitation after sports injury, pain Relieves during surgery and reduces inflammation.    Package included: 1 x Deep Tissue Massager;  1 x Storage Bag;  1 x Manual;  6 x Massager Head;