Characteristics: There are 8 pre-programmed massage modes to switch between tapping, tuina, acupuncture, acupressure, rubbing, vibration, pinching, foot massage and ear rubbing to reduce body pain such as sciatica, arthritis or inflamed discs/joints, stiff shoulders, low back pain, improve sleep quality, promote blood circulation and relieve pain. Easy to use and operate. With self-adhesive flakes, you can apply them to any part of your body for a comfortable massage. USB charging, you do not have to worry about sudden power off. With a full charge, you can use this device for over 10 hours. With 15 different variable intensities, you can choose the right to relieve pain and meet your requirements. Supports LCD backlight function, this device can provide better screen view, especially at night or in low light, safely and reliably. Designed as a dual channel, it can be set simultaneously and stopped. Technical data: Color: as shown Material: ABS Rated power: 2 W Rated voltage: 4,5 V Recommended usage time: 5 10 15 minutes Power Supply: 3 AAA batteries Modes: 8 Intensity: 15 levels Device Menu in English