HoMedics® Mobile Comfort™ Memory Foam Neck Pillow & Vibration Massager makes traveling more comfortable. A soft memory foam design provides support and comfort, while the invigorating vibration massage setting relaxes tense neck muscles. Two speeds of low or high allow for a customizable experience. A removable, washable cover allows you to enjoy a fresh, clean pillow each time you travel. To power, simply insert the provided, 4 AA batteries. Want to block out noisy neighbors on a train or plane -- we have you covered with a pair of ear plugs accompanying each pillow.