Specifications: Item Type: Massage & Relaxation Material: Composite Material Material: Neoprene Color: gray and black, gray, black Battery capacity: 5000mAh Working voltage: 5V Charging time: 2-3H Packing size: 20.6*15.3*6cm FEATURES: 1. The perfect combination of 3-speed heating + 3-speed vibration massage brings you the ultimate comfort experience, all-round care of your shoulder and neck health. 2. This massage shoulder pad can effectively relieve shoulder and neck discomfort, reduce your shoulder and neck pressure, let you always keep relaxed and happy state. 3. Built-in 5000mAh high-capacity battery, long-lasting life, a charge to meet the needs of the whole day, so you can enjoy a comfortable massage anytime, anywhere. 4. Exclusive digital display controller, high-definition display, fully functional buttons, dual temperature units of ℃ and ℉, touch screen operation is simple and convenient. 5. Lightweight and portable design allows our shoulder pads to provide you with attentive care at any time whether you are traveling or on business. WHAT'S IN THE BOX: 1* Shoulder Pad 1* Long Extension Strap 1* Short Extension Strap 1* USB Charging Cable 1* English User Manual 1* Packing Box