Foam Axis Yoga Rolling Axis Massager $ 18.55 Product information: Power supply: battery Control mode: mechanical Appearance Shape: square/round square Gear: 4th gear Massage contact: 1 piece Contact type: acupuncture massage head Size: 1706060mm Battery capacity: 1500Mah Rated voltage: 3.7V Packing list: Host 1, remote 1, charging cable 1, instruction 1, storage bag *1