Model Number: MGS-321-1-#9336 Brand Name: Naipo Key Specifications/Special Features: Naipo cordless neck and shoulder massager with shiatsu kneading massage, rechargeable battery and heatCordless-massager uses rechargeable lithium-ion battery which holds enough power for 2 hours of use, so you can use it at home, office, gym and park, even take it for travel Adjustable speed-Three distinct speed modes and BI-direction mimic the feeling of personal massage Pain relieving-4 deep-kneading shiatsu massage nodes and 3D rotation massage rollers deliver comfortable massage to relieve muscle tightness on neck, back, shoulders and foot Hook and loop stripe design-holds device in place allowing you to enjoy handsfree massage