Electric muscle relaxation ball

Recharge
Charging time: 1.5 hours
battery
Rated voltage: 7V DC
Type: High-energy lithium battery
Capacity: 1400mAh
Working hours: 2-3 hours
Fascial ball
Vibration speed: 1 gear-2200RPM 2 gears-3200RPM 3 gears-4200RPM
Gear adjustment: every time the button is clicked, one gear is added
Shut down: long press for 2-3 seconds