Features: 1. Micro-current pulses activate stiff muscles, effectively relieving muscle soreness and physical fatigue, for a comfortable massage experience. 2. Eight modes and 18 intensity levels are adjustable to cater to the massage needs of various users. 3. Suitable for different body parts, including the abdomen, arms, back, neck, legs, and waist. 4. An intelligent power-off function automatically shuts down after 15 minutes. If the device is turned on but not in contact with skin or without any operation, it will reset to zero after 5 seconds and then automatically shut down within 30 seconds. 5. The EMS massager is mini and lightweight, supports folding and storage, and is easy to carry, enabling you to enjoy a massage anytime, anywhere. Note: It is recommended to use the massager 1-2 times daily, for 15-30 minutes each time, for optimal effect. Specification: * Material: PU * Product Color: Black * Product Size: 20.3 x 13.3 x 4.2cm * Product Weight: 155g, 190g * Working Current: 9.8mA * Working Voltage: 3.7V * Working Frequency: 1-100Hz * Recommended Ambient Temperature: 10-40°C * Quiescent Current: Less Than 10μA (measured at 3.7V) * Battery Type: Rechargeable Polymer Lithium Battery 150mAh (402030), Charges for 2 hours, provides 3-6 hours of use * Optional: With Remote Control, Without Remote Control Package Included: 1 x EMS Cervical Massage Patch Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.