Features Easy to use: The cloth heater measures approximately 23 x 29 cm / 9.05 x 11.41 inches. The black heating pad is safe and easy to use, and can be sewn on any fabric or seat cover. Convenient power supply: The pet bed heater is convenient for power supply. It can be directly connected to a computer USB port, a power bank or a 5V, 1A or 2A power adapter. If the USB output interface used by the customer does not reach 2A, the switch cannot be opened. Included USB cable: The pet warmer pad comes with a 1.5m/59inch extension USB cable, so you don't need to worry about the length of the cable. The carbon fiber cloth heater can be washed directly with water. Pet use: The electric heater pad can also be used to heat the mats of cats and dogs and other pets. The temperature probe can be placed in the middle of the electric heating pad to test the temperature, so that the pet will not emit heat when lying on it, and the temperature will rise. Application: Heating element can be widely used to warm the shoulders, neck, waist, back, abdomen and cushions or pet beds. If this heating pad is used for clothes, quilts or pillows, the temperature can reach 40~45℃ after 20 minutes. If there is no covering, the temperature may only be 35°C after 30 or 40 minutes (from room temperature> 10°C). Specifications: Material: Carbon fiber Color: Black Maximum Voltage: 5V Connector: USB Pad Size: Approx. 23 x 29cm / 9.05 x 11.41" Cable Length: 1.5M / 59" Temperature: 35℃-50℃(after 20min~40min) How To Use:1: Find a piece of quilted jacket, bath towel, etc., and put the heating pad in (fold it in half or flat, if you want to test the temperature, you can put the temperature probe on the heating pad). 2: The heater is connected to the 5V2A USB output interface. 3: The temperature in the padded jacket will continue to rise as the heating time increases, and the expected temperature will generally be reached in about 10 minutes. Attention: If it is exposed in the air or placed on the table to test the temperature, a little bit of heat will be dissipated. Application Range: 1. Customers who use it in their clothes, let them put them in their clothes to test the temperature. 2. For pets, such as cats and dogs, you can put the temperature probe to test the temperature in the middle of the heating pad, then the pet will not radiate heat when lying on it, and the temperature will rise. 3. For solid products, wrap the heating pad on the product first, and then wrap a layer of foam paper or thermal insulation cotton on the outside to prevent heat dissipation. Package Includes: 1 x Heating Pad 1 x USB Cable Note: 1. If the USB output interface used by the customer does not reach 2A, the switch cannot be opened. 2. If the customer uses the power bank or power adapter, the switch can be turned on, but it will automatically turn off after about 10 minutes, because the power bank or power adapter used by the customer does not reach the output power on the product label. It is recommended He can use another power supply device. Package List