[Handheld Muscle Toning] No batteries required! Our neck exerciser is designed to target and tone the muscles in the neck, chin, and face, providing a resistance toning system for these areas.[Facial Massage] Neck toning device can also be used as a chin massager and for massaging the face, neck, chin, and throat muscles, promoting relaxation and invigorating the skin.[Neckline Definition] By utilizing three levels of coil resistance, it helps tone and improve loose skin, potentially enhancing the appearance of the neck and jawline, offers a non-surgical approach to target sagging skin and double chin.[Portable and Convenient] With its compact design and included carry bag, double chin exerciser is portable and can be used anytime, anywhere, making it easy to incorporate into your daily routine.