Specification:Type:Electric Ionic HairbrushMaterial:ABS + Stainless SteelSize:13 x 7 x5cm/5.12 x 2.76 x 1.97inchPower Supply:2 x AAA Batteries(Not included)Quantity:1 PcDescription:1. Made of high quality plastic and stainless steel material, durable to use. 2. Promote blood circulation, relieve fatigue, strengthen brain and develop intelligence, improve sleep quality.3. Long-term use can reduce hair loss effectively, relieve headaches and dizziness.4. Portable design. Enjoy a massage experience at anytime anywhere.5. Lightweight, mini size, easy to carry. Suitable for home, office, travel.Note:1. Use the battery to the bottom of the battery compartment when using it.2. Please use the standard AAA battery. The positive length is standard and the short one is non-standard. A non-standard size AAA battery will make the product unusable.3. If the battery cover reversed, it will also make the product unusable. Notice:Due to the different monitor and light effect,the actual color maybe a slight different from the picture color.Please allow 2-3mm differs due to manual measurement.Included:1 x Electric Ionic Hairbrush