About this item Four Different Massage Heads: The massager is equipped with four different shapes of massage heads to help users relax different body parts. 6 Adjustable Speed Level: Choose different speed based on your muscle group and your own preferences, provides deep tissue muscle relief, and overall recovery, decreasing pain and increasing range of motion. Quick Charging: The massager is equipped with a 2000mAh high-quality lithium battery, which can work for 2-3 hours after each charge, and can be quickly charged.