Model Number: MGS-321-1-#6362 Brand Name: Naipo Key Specifications/Special Features: Naipo cordless neck and shoulder massager with shiatsu kneading massage, rechargeable battery and heatCordless - The massager uses rechargeable lithium-ion battery which holds enough power for 2 hours of use, so you can use it at home, office, gym, park, even take it for travel. Adjustable speed - Three distinct speed modes and BI-direction mimic the feeling of a personal massage. Pain relieving - 4 deep-kneading shiatsu massage nodes and 3D rotation massage rollers deliver a comfortable massage to relieve muscle tightness on neck, back, shoulders and foot. Hook & loop stripe design - holds the device in place allowing you to enjoy a hands free massage.