<p><b>Description:</b><br> Size: One for All (from M to XXL), better to wear under a jacket. Suitable for man, women and boys. <br> Shoulder width: 36.5cm (14.37inch)<br> Bust: 107cm (42.13inch)<br> Waist Size: 101-125cm (39.7 - 49.2inch)<br> Length: 55-58cm (21.7 - 22.8inch)</p> <p><b>Specification:</b><br> Exterior Fabric: polyester<br> Lining: Sandwich Mesh Cloth <br> Pedding Material: Cotton <br> Capacity: 7.4V / 6000mAh</p> <p><b>Heating Technology:</b><br> Thin Micro-carbon fiber heating panels actively<br> Function for carbon fiber:  improve circulation of blood for health care; No deformable, washable, waterproof                        </p> <p><b>Package Includes:</b><br> 1 x Heated Softshell Vest<br> 1 x 6000mA, 7.4V Lipo Battery and Charger<br> 1 x User Manual</p> <p><b>How to Use (3-way switch refers to button switch on the vest)</b><br> 1. Plug the power cord of the heated vest to the socket of 7.4v rechargeable lipo battery. <br> 2. Power on the rechargeable battery by pressing the power button on the heating vest itselt (Note: the power / temperature switch on the vest will flash red, white, blue when powering on the rechargeable battery pack).<br> 3. Press and hold the power / temperature switch on teh heating vest (not the batter pack) for about 3 seconds. A red LED ligth will illuminate the power / temperature button, now the heating system will begin to work. Sometimes, when pressing the power / temperature switch, the red LED will be not solid but flashing. During flashing, please don`t worry, this means the heating system is in self-inspecting. When this occurs, you can just do the following step: short press the power / temperature switch until the LED cycle through (red-white-blue-red), then it will be back to normal. <br> 4. Press the power / temperature switch on the heated vest to choose the heating level: Red (High) (70-75℃), White (Medium) (60-65℃), Blue（Low） (40-45℃). </p>