Features 1、Adopt carbon fiber heating wire, safe and durable, elastic pants, double layer anti ‑ skid design 2、Can be kneaded and cleaned, high temperature resistant, tensile, not easy to break wire. 3、The heating area is large, and the heat circulation is strong to keep warm. 4、5 Geas temperature control, adjust at will, long press 3 seconds to open, heating temperature 45℃‑65℃, gently press to shift gear. 5、Anti‑Rust USB plug, suitable for most of the mobile phone charger, elastic and comfortable, not tight. Specification Condition: 100% Brand New Item Type: Heating Pants Material: Pure Cotton Size Hip Pants Length Waist Height Weight M 100cm / 39.4in 98cm / 38.6in 60-80cm / 23.6-31.5in 150-155cm / 59.1-61in 45-55kg L 106cm / 41.7in 100cm / 39.4in 66-86cm / 26-33.9in 155-165cm / 61-65in 55-65kg XL 110cm / 43.3in 102cm / 40.2in 70-96cm / 27.6-37.8in 165-170cm / 65-66.9in 65-75kg XXL 114cm / 44.9in 104cm / 40.9in 76-100cm / 29.9-39.4in 170-175cm / 66.9-68.9in 75-85kg XXXL 120cm / 47.2in 106cm / 41.7in 80-104cm / 31.5-40.9in 175-185cm / 68.9-72.8in 85-95kg Usage: 1. Take out the USB plug 2. Plug-in mobile charger 3. Turn on the removable charger 4. Hold the button temperature control switch for two seconds Turn on for Bluetooth of the mobile phone and connect to the temperature control APP. You can switch and adjust the temperature on the mobile phone, which is easy to operate.You can also adjust the button manually Note: 1. If not used for a long time, please do not access to the charger. 2. Do not use high temperature water or strong acid detergent. 3. It is strictly prohibited to use electricity for wet clothes. Please turn off the power and stop using it when it is hot in the rain. 4. The use time depends on the capacity of the charging treasure. 5. Do not twist when washing, can extend the life of the heater Package List 1 x Heating Pants