I purchased this item as "almost new, like new." I used it only once after purchasing it. The outer box and instruction manual are not included. Batteries are not included, but the item has been tested and is working. Please understand that this is a used item, so there may be minor scratches, small marks, and dirt. Please purchase with this in mind. Relaxation time, feeling waves on your fingertips. ・ ◆ Modes: 3 modes (MED/HARD/WEAK) Easy switching with a single button. ◆ Air pressure: Adjustable from weak to medium to strong. ◆ Timer: 10-minute auto-off. ◆ Power: Uses 4 AA alkaline batteries. The 360° enveloping design provides a relaxing experience that starts from your hands. ・ Fine stimulation The 360° enveloping design stimulates the entire hand. With its unique method, it's like having a spa at your fingertips. ・ Equipped with 3 modes to achieve wave-like stimulation. Enjoy an easy spa experience at home. ・ 3-level adjustment By switching the intensity in 3 stages, you can achieve a richer experience. ・ Convenient cordless design Uses dry cell batteries, allowing you to enjoy a spa experience at home or in the office. Easily massage tired hands from housework or computer work. ・ Auto-off function Automatically turns off after 10 minutes.