4 Level Vibration Mode-Enhance your Pre-workout and Recovery system with Foam roller Low/Medium/High/Pulsating Vibration Modes at your choice. Perfect for warming up, circulation improvement and recovery of sore and tight muscles Rechargeable & Ultra-Portable-With only 3.9inch diameter and 0.79lbs, light-weight and compact therapy ball is so portable that you can bring to anywhere you like for relaxation, best comp for your camping trip, training, yoga or fitness. Washable-All Surrounded by silicone, the waterproof grade is IP65, you can wash the massage ball directly, but don't leave in water for a long time Pain Reduction-Massage ball gives you access to hard-to-reach pain points and provides relief, Trigger Point Therapy and relaxation, it works to massage and relieve your back, hips, legs, arms, waist, and feet. Charging time: about 4 hours Motor operating temperature:65°C. Colour: Black Material: ABS silicone. Package Contents: 1* Electric Massage Ball 1* USB line 1* Instruction manual Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm.   Electric Massage Ball