4 Speeds Vibrating Yoga Massage ball USB rechargeable, Waterproof, support customization brand

Specification:

1.Size: 3.78"

2.Weight: 362g

3.Material: Rubber+ Metal

4.Battery: DC3.7V 2500 mAh

5.Charging time: 4 hours (full)

6.Working hours: 90 minutes

Certificates: CE ROHS FCC CA65 test report, UN38.3 MSDS 

Package includes：

1x Vibration Massage Ball

1x Charging Cable

1x User Manual

1x Storage Bag