1. 4D Deep Kneading Neck Massager The upgraded neck and shoulder massager with 4D kneading technology simulates manual massage for a true deep tissue massage. The upgraded neck and shoulder massager uses 6 ergonomic massage nodes to relax your neck and shoulders by targeting larger areas such as the neck, trapezius and shoulders. 2. Adjustable Soothing Heat Function The adjustable heat function of the neck massager two settings (100°F/117°F), the soothing heat gently promotes relaxation of the neck and shoulders for a soothing massage experience and the automatic shutoff after 15 minutes ensures use and prevents overheating. 3. HandsFree DesignThis neck and back massager is designed to be flexible and can be used handheld or worn on the body with a strap for a variety of use scenarios. It is compact and portable, you can take it to the office or travel with you to enjoy neck massage anytime. 4. Cordless and Rechargeable ConvenienceThe cordless neck massager provides approximately 100 minutes of massage on a single charge, which is sufficient for 15 minutes of use every day of the week. This cordless neck massager does not require an electrical plug to use. Simply recharge with the included USB TypeC cable and enjoy hours of relaxing massage on the go or at home.