Battery capacity:2000mAh Material:ABS,SILICONE SLEEVE Motor:brushless high-torque motor Charging time: 5.5 hours Timing:10 minutes Working Time:5 hours Massage Head:4 Heating Temperature:38±3℃ / 42±3℃ / 46±3℃ Cold Temperature:12±3℃ / 7±3℃ / 2±3℃ Product size：187*48*162mm