Feature: 1. Adjustable Temperature: The straightening brush features temperature settings suitable for all hair types and needs: 160°C for dry, bleached/damaged/fine hair, 180°C for dry, normal/wavy hair, and 200°C for dry, thick/curly/coarse hair. 2. Negative Ion Technology: Infused with negative ions, the straightening brush provides a salon worthy hair care experience from the comfort of your own home. Say goodbye to frizz and static for vibrant looking hair. 3. Constant Temperature Protect: Equipped with a rapid heating feature that reaches temperature in just 20 seconds and consistent temperature control, the straightening brush utilizes a built in temperature sensor chip to prevent fluctuations that could damage your hair. 4. Cordless and Portable: Experience effortless styling with the cordless straightening brush that allows you to style with ease. Its compact and lightweight design allows for effortless styling results comparable to a salon, anytime and anywhere. 5. Type C Fast Charging: The straightening brush supports QC3.0 PD fast charging (requires a 30W or higher fast charger) and can be fully charged in approximately 2 to 2.2 hours. It features dual charging/power modes (with an upgraded mode allowing use while charging, requiring a 30W or higher fast charger). Specification: Item Type: Hair Straightening Comb Material: ABS Battery Capacity: 6400mAH (Shipped with built in battery). Package List: 1 x Hair Straightening Comb1 x Instruction Manual1 x Charging Cable2 x Clips1 x Storage Bag