product detailsName: Wireless splint hair straightenerMaterial: PC, PA66Charging Wire: Miniature USB Charging Wire (1m)Charging time: 3 - 4 hoursBattery: International 18650 Lithium-ion BatteryBattery capacity: 3.7V-2500mATemperature: 165 degree C, 185 degree C, 205 degree C (display is measured temperature)Usability Time: Due to the influence of temperature and environment, standby time varies from 45 to 60 minutes when full of electricity.Fever body: 6.3 cm long and 1.7 cm wideShutdown protection: automatic shutdown 40 minutes after boot-upBoot-up protection: With boot-up protection function, if the temperature is not adjusted after switching on, the product will shut down automatically within 15 seconds.Temperature memory function: with memory functionTemperature rising speed: 2-3 minutes, fast speed, about 2 minutes or more can reach 205 degrees C