Features: Multiple modes: Our neck massagers have a variety of modes to choose from, including 9 massage modes. You can choose massage modes according to your own comfort, and it is very convenient to operate. Comfortable massage effect :2/4 metal gaskets, using airs bags to guard the neck, comfortable and skin friendly. The fast hot compress function provides you with a warm and comfortable experience, as comfortable as a hot towel, deep relaxation of the cervical spine, and quick relief of neck pain. Multi-occasion application: home, office, car, shopping and all kinds of outdoor places use massager in any situation. Portable and safe: Just like a headset, the cervical massager is small and portable, suitable for home, office or travel. Reminder: To ensure safety and achieve the best massage results, please do not wear metal jewelry such as necklaces on the neck. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Material: Silicone +ABS Specifications: Basic-model/Upgrade model Weight: 210g/217g Package size: 17.8x14.7x5cm Basic-model: two-patch pulses massager Upgraded: four-patch pulses massager Rated power: 5w Input voltage: 5v=1A Rated frequency: 50Hz Mode selection: Three modes Power capacity: 1200mAh Gear setting: 9 stops Hot compress temperature: 40~45°C Package List: 1*Double-frequency Pulses Neck Massager