- Product Name:USB heating jacket
 - Voltage: 5V
 - Temperature: 25C,35C,45C, 3 temperature settings
 - Feature: digital led controller，3 temperature settings,H-45C, M-35C, L-25C, FIR healthy heat, comfortable warm, 1 minutes fast heat, 5V low voltage no potential risk of leaking, thin and light weight,energe-saving. Keep heating in 8Hs, washable, Humanized design, heating pad in easy get cold position,  back and sleeve area. Say goodbye to bloated, enjoy your winter from now on by this thin warm jacket.