Description: Hair Styling Tool: Electric bubble device When perming, the perm agent can penetrate into it, avoid dripping, and absorb quickly, which helps to improve the perm effect.Foaming Evenly: Hair perming foaming machine has a lot of foam, and the perming solution can pass through quickly and filter effectively. The foam is fine, allowing the perming solution to foam and spray out smoothly.USB Rechargeable: 1800mAh rechargeable battery, fast charging, long battery life, about 15 hours of use on a full charging.Convenience: Hair steamer perming bubble device is about 15.5cmx13.5cm, compact in size, light in weight, simple in appearance, simple and convenient to use.Application: Hairdressing styling tool is very suitable for professional salons and barber shops, and is a practical perm tool. Size Chart: 15.5cmx13.5cm/6.10inchx5.31inch Package Includes: 1Electric Bubble Device1 USB Cable Note: Please allow slightly errors due to manual measurement and different monitors.