The Homedics Neck and Shoulder Massager relaxes and calms with its 2 massage speeds and optional additional heating element to ensure you receive the perfect massage. Powered by AA batteries or an included AC adapter to make it extremely portable and convenient to use. A flexible internal wire frame is able to sculpt to your neck and shoulders, ensuring a brilliant fit and ultimate comfort. Features two speed settings and soothing heat to deliver a soothing and comfortable massage that will cause your stress to melt away.