Feature: 1. 3 Heat Settings: The strap 3 speed temperature adjustment allows you to easily choose the temperature level that best suits you according to different needs and comfort levels, and the built in intelligent control chip ensures stable heating and prevents overheating. 2. Hook and Loop design: The heated straps are designed with hook and loop for use on arms, wrists, elbows, legs, ankles, etc., and can be wrapped tightly; they may feel hot when applied on bare skin, but are usually comfortable when applied with clothes on. 3. Strap: The straps are 45in long with a 78in long adapter for ease of use; the flexible heated wrap stays in place and the fixed ends are securely fastened to the pads for a comfortable fit, no need to worry about the straps slipping or shifting. 4. Fast Heating: Featuring the greatest heating elements, it will heat up quickly in 30 seconds, increasing the efficiency of use while ensuring that heat is transferred evenly to every part of the strap. 5. Safe: This heated strap uses a 12V power adapter with a low voltage output to ensure a long service life, allowing you to enjoy the comfort of heat care without having to worry about any safety issues. Specification: Item Type: Wrap Heating Pad Material: Neoprene Rated Voltage: 5V/1.6A Rated Power: 18W Heating Temperature: 45-55-65℃. Package List: 1 x Heated Pad Wrap 1 x Adapter 1 x Manual Note: It can be very hot on bare skin, so we recommend using it under a layer of clothing; use with water is strictly prohibited.