Feature: Small size, lightweight, and easy to carry and store. 10 modes are adjustable to meet different needs. Massage parts: neck/back/waist/buttocks/legs and other parts. Massage techniques: Shiatsu, kneading, percussion, massage. Specification: Size: 10cm/3.94in Use mode: A-F (6 modes) Frequency: 1-100Hz Running time: 12 minutes Output current: up to 9.8mA Massage contacts: 2 Type (optional): 01 Battery type: Host + massage sticker + manual + color box. 02 Charging type: Host + USB charging cable + massage sticker + manual + color box.