1. It can be charged.When charging is completed, there is no need to plug it into the socket to starting work.
2. After 2.5 hours complete charging, can be sustainable used  2 hours
3. Battery life : 500 charging cycles
4. Nice design,it's cute,easy to carry.
5. Offer a comfortable massage for the neck,waist,back,thigh,foot different  parts.
6. Can be used on trip,at home,in car anywhere you want.