Smart Neck Massager UpgradeThis neck massager uses heated red photoelectric frequency, which penetrates the skin and provides a constant temperature of 42 degrees, which helps relieve neck pain, leg, shoulder fatigue and deep Heat Pain. Long StandbyEquipped with 1200mAh rechargeable lithium battery, USB power connection. If you use the neck massager for 15 minutes a day, you can enjoy a relaxing neck massager for up to 20 days a day with a full charge. The neck massager's 15-minute auto-off feature ensures safe use. BEST GIFT CHOICEThis is a thoughtful and thoughtful gift for those who want to relax their necks, especially those who sit in front of office workers who use computers for a long time and have neck pain or discomfort . They will be pleasantly surprised to receive such a gift. Enhanced User ComfortThis soft and breathable silicone neck massager adopts ergonomic design, high elastic frame technology, intelligent 3D suspension design and 4-point design, which is more suitable for your neck. This stylish wireless neck massager comes in a unique headphone style with a sophisticated and lightweight design for travel, shopping, and more. Wide range of applications The neck massager is innovative and different from the traditional massager. Helps relieve neck pain, shoulder fatigue, body tension, improve sleep quality and promote blood circulation. Tip: Do not implant a pacemaker or use metal in the body.