1. Soft and comfortable plush heating pad, ideal for those seeking relief from neck and shoulder discomfort. 2. The shoulder heating pad operates with a 5V power cord, compatible with USB power sources such as PCs, power banks, or USB adapters. Any power supply that outputs 5V and 2A can be used to power the device, allowing convenient use anytime and anywhere. 3. Features three heating levels (45°C, 55°C, 65°C) and three auto-shutoff timer settings (30 minutes, 45 minutes, 60 minutes) for energy efficiency and safety to help prevent overheating. 4. Designed with an ergonomic shape and made from soft plush fabric. Includes adjustable fasteners to fit different neck sizes, making it suitable for shared use among family members. 5. Compatible with any power source that provides 5V and 2A output. Power supply: 5V/2A USB Rated power: 8W Heating temperature: 1st gear 45°C, 2nd gear 55°C, 3rd gear 65°C Material: Double-sided gold mink velvet Control line length: 1.5 meters Controller: Three-level temperature control, three-level auto shut-off timer Color options: Grey, Pink, Yellow, Purple Package includes: 1 x Neck and shoulder heating pad, 1 x USB cable with controller