The massager is a portable electric pulse multi-frequency cervical physiotherapy massager with six different vibration massage modes for neck and shoulder pain relief. It is specifically designed to fit perfectly to the physiological curve of the neck. Integrating low-frequency electric pulse, magnetic field, 6 kinds real-man massage methods, the massager provides an intense yet enjoyable deep tissue massage experience which leave you refreshed after each massage session. TECHNICAL SPECIFICATION: Material: ABS Timing: 15 Minutes Pulse Frequency: 1-1000Hz Pulse Width: 20-400 Pulse Waveform: Fang Bo Power: DC 3V 30mA Powered By: 2 * AAA Battery(Not Included) Color: White Massager Size: approx. 14(W) * 16(L) * 3(H)cm / 5.5 * 6.3 * 1.2inch Item Type: Neck Massager FUNCTIONS: • Relieve neck soreness • Promote blood circulation • Improve sleep quality • Soothe nerves • Stimulate cell activity • Ease muscle pain ITEM INCLUDES: 1 x Neck Massager 2 x Electrodes Pads 1 x Connect Cord 1 x English Manual