feature: 30 speed settings: select different speeds from 1200 to 3200 RPM/Min according to muscle groups 6 massage heads: 6 customized massage heads are provided to relieve soreness in the legs, back, neck and shoulders. LCD touch screen and low noise: noise is less than 45 decibels, high-definition LCD touch screen Long-life battery: 2400mAh rechargeable lithium-ion battery supports 3-8 hours of long working time Brushless large torque motor: 12-16mm strong impact force helps to soothe tight muscles Automatic shutdown in 10 minutes: remind you to massage properly. If you need to continue, click the power button again. Specification: Input: 100-220V 50 / 60Hz Capacity: 2400mAh rechargeable battery Speed: 30 adjustable levels Frequency: 1200-3200 rpm/min Amplitude: 12-16mm Working time: 3-8 hours Charging time: 2-3 hours Weight: 1.5kg (net weight: 0.8kg) Size: 18.8*24.2cm*6.2cm Package Included: 1 x LCD display massage gun 6 x massage head 1 AC charger 1 x portable EVA bag 1 x English user manual not