Features [3 Gear Temperature Adjustment] Heating pad with 30‑50℃ three adjustable, can be used according to your preference, light weight, easy to carry. [Quick Heat] The heating pad can be fixed inside the clothing, and the temperature will increase with the heating time, usually reaching the expected temperature in about 10 minutes. [Stress Relief] The heating pad relieves neck pain, is bendable, washable, takes up no space, heats up quickly and stays hot. [Wide Application] USB heating pad is mainly used for warming knees, shoulders, neck, waist, back, abdomen and cushion or pet bed. [Safe to Use] This heating pad is made of polyester and cotton cloth, waterproof and anti fold, safe to use, can be directly wiped with a damp cloth, machine washable. Specification: Item Type: USB Electric Heating Pad Material: Polyester mixed cotton cloth Product Specifications: 1724 type USB heating cloth Scope of Application: Heating and warming of the neck, clothes, vests, underwear, etc. Interface: USB interface(5V2A) Package List:1 x USB Electric Heating Pad 1 x Charging Cable Package List 1 x USB Electric Heating Pad 1 x Charging Cable