?100% PROFESSIONAL CUSTOMER SERVICE: Please contact us right away if you meet any problems(Click the store name--Ask a question--An order I placed then tell us your issue or find our email in the FAQ, we will deal with it within 1 business day). ?45 MINUTES CORD-FREE RUN TIME: Type C USB charging cable included. 3-4 Hours fully charged time can work for up to 45 minutes.(Run time will vary based on heat and timer settings). ?PERSONALIZED TEMPERATURE & TIMER SETTINGS: The automatic hair curler focuses on delivering personalized experience to customers. The temperature varies from 300? to 390? to fit different hair types (lower temp for fragile hair; higher temp for coarse hair). 8-18s auto curling timers allowing to form a perfect loose or tight curls easily, save a lot of time. ?ANTI-TANGLED DESIGN: Unlike the curl chamber that stuck and even burn your hair, the cordless curling wand adopts the smart sensor chip, which will automatically suspend the curler when the hair is placed too much or incorrectly. ?Note: Please switch the direction of rotation to release your hair if tangled. ?AUTOMATIC CURLING IRON: The latest cordless curling iron, say goodbye to the messy and tangled cable design. Without cable restraints, you can curl your hair anywhere.The cordless auto curler uses latest intelligent induction motor for superior performance and well defined curls.