Specifications: Application: Arm Item Type: Massage & Relaxation Material: Cotton, ABS Size: Large Item Type: Wrist Massager Rated Power: 11W Voltage: 110-240v Charging Time: Approx. 4.5 hours Working Time: 1.2 hours (Maximum power on) Heating Time: 20 minutes Charging Power: DC9.5V /1A Lithium Battery: SC7.4V/1800MA Size: Approx. 49 * 12.5 * 4.3cm / 19.2 * 4.9 * 1.6in Package Weight: Approx. 400g Features: Hot compress and massage with one machine, very convenient to use. No wire operation, you can use it at will. Magic pad design, it can adjust position according to each person's wrist. One click to start, very easy to operate. Low noise, providing you a quiet and enjoyable massage experience. Effectively relieves wrist pain, fatigue, and other discomfort. Why do you need it Frequently facing the computer, working with the mouse and keyboard can cause the hand to be overloaded, and it is easy to have a sore wrist. You need to pamper your hands. You can massage hands with this massage wristband to give your hands relaxed Package List: 1 * Wrist Massager