Smart Neck and Spine Massager. Model Number: 813. Voltage: 3.7V. Rated Power: 3W. Charging Input: 5V with 0.5A (charges via USB cable). Net Weight: Approximately 149g (lightweight for easy wear). Package Contents: Massager, charging cable, instruction manual, and aloe vera gel. Benefits of the Device: This type of device typically relies on electrical pulse technology (TENS/EMS) and thermal massage. Its benefits include: Neck Pain Relief: Helps reduce muscle spasms caused by prolonged sitting in front of a computer or phone. Improved Blood Circulation: Heating and pulses aid blood flow in the neck and shoulder area. Relaxation: Reduces stress and headaches resulting from neck muscle tension. Ease of Use: Its horseshoe shape design makes it comfortable to wear while doing other tasks. Usage Tips (for best results): Using Gel: The label indicates the presence of "aloe vera gel" with the device. It is recommended to apply a small amount to the neck area (or wipe the neck with a damp cloth) before use. Treatment for Neck and Spine Pain Treatment for Shoulder Pain Improved Blood Circulation Muscle Stimulation Medical Supplies