Product Name: plug-in type heating kneepad (single) Product material: diving cloth product color: black 1. When using USB to insert USB port to obtain power supply, the output is about 5V/DC: Highest (red): The temperature is 50℃, high temperature, can be used for a long time; Medium (white): The temperature is 45℃, warm and can be used for a long time; Minimum (blue): The temperature is 40℃, neither cold nor hot, and can be used for a long time. PS: If it is connected to a mobile power supply whose output current is higher than 500mA, the temperature may be higher than the above temperature. 2. When using the adapter, the fixed output is 7.9V/DC: Highest (red): temperature 65℃, high temperature, recommended use time 10 minutes; Medium (white): The temperature is 55℃, which is relatively hot. It is recommended to use it for 30 minutes; Minimum (blue): temperature 45℃, warm, can be used for a long time. Product Size 1. USB model OPP bag packing: product size: 25*16 * 3cm 0.194kg Packing size: 45*44 * 29cm 10.6kg 50PCs 2. Plug type OPP bag packing: product size: 25*16 * 4cm 0.276kg Packing size: 46*46 * 46cm 19.2kg 70PCs 3. Plug Type color box packaging: Gross weight: G Packing size: 14.8*11.8 * 9cm Packing specification: 60*34 * 40cm/11.85kg/36PCs 4. Usb cable long 2 M; Adapter cable length 1.75 m 5. Net pocket size: 18 * cm (can hold moxibustion bag, ice pack, etc.) Product Features 1. Relieve knee pain related to arthritis, Bursa, strain, sprain and menisci tear; 2. Built-in net pocket, which can be put into ice pack for cold compress or moxibustion bag for moxibustion; 3. Adjustable and fixed position, two split straps design, hanging ring closed, can also be used for calf, thigh, arm to relieve muscle soreness and cramp; 4, 1 button control and 3 heat settings, very easy to operate, can completely control the heating temperature and time; 5. The USB cable is for portable use and can be plugged into any power supply with USB port, which is convenient to use;