Product information:
Category: yoga ball
Product Size: 10*10 * 170cm
Product material: ABS Edible Silicon
Single Weight: 542g
Packing weight: 660g
Battery Specification: DC3.7V 2400mAh
Product charging: usb charging
Charging duration: about 4 hours
Runing hour: maximum gear 90 minutes (6 cycles) 10 minutes per cycle
Working speed: 1 gear 2000 rpm, 2 gear 4000 rpm, 3 gear 6000 rpm