Rechargeable Cordless Hair Straightener Brush Our hair Straightener brush is cordless and rechargeable, avoiding cord entanglement or inconvenient plug-in use when going out. Ionic Technology This heated beard brush combined advanced ionic heat technology with anti-static coating process, to help you detangle your hair with ease, reducing tangles and frizz, achieving a long-lasting effect and keeping your beard & hair looking smooth and healthy. Anti-scalding & Automatic Power-off To prevent the heat from hurting you, our beard straightener heat brush designed with anti-scalding function, the anti-scald tooth comb is higher than the heating tooth comb to protect the skin. And it automatically power off if you don't use the product for 20 minutes. Our purpose is for your safety. 3 Temperature Setting We added 3 temperature settings to the cordless hair straightener brush, 320℉- 356℉- 392℉. This is suitable for most beard or hair types of soft, thin, thick, or curly. Portable & 4000mAh Battery Capacity Beard straightener comb kit come with a traveling bag, it's convenient to take and use it anytime anywhere. High capacity rechargeable battery 4000mAh meet for your . Please kindly note this beard straightener can compatible 5V/2A adapters ONLY! Product Name:Hair Straightening Comb Battery capacity: 4000 mAh Working mode: 3 adjustable modes (160℃/180℃/200℃) Product technology: negative ion hair care Applicable hair type: straight hair curly hair dual-use Power: 55W Product size: 3.8 x 20cm Material: ABS colour: black Package Contents: 1 x Hair Straightening Comb 1 x USB cable 1 x Dust bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.