Feature:1: our product is very elastic and high elasticity, which has 12 TPE 3D massage arm. It is convenient to massage your head and relieve stress.2:360 degree pressure pressure points and cozy massage sensitive nerve on the scalp, promote blood circulation, relax the nerves of the head highlighted, eliminate tension and fatigue throughout the day.3:TEP material, very elastic to give you a full head massage, lightweight and easy to use to massage or rub your head, it is a great alternative!4. It has a USB charging port and four red LED lights. When you press the on-off keying and start the product, the four red LEDs will be on.5. It is very easy to use this product. He has only one key. The key is on-off and three gears. After the first press of the key, you will start the product. With a second keystroke, you can select different gears. There are three gears in total.6. Our product can be used in many ways and fits the crooked head very well. When you feel tired, you can use it to relax.5. This massager can be a nice gift. You can buy it for your family, your lovers, friends, etc. It can give everyone a different refreshed feeling. Specification:Material: TPER Product Size: 17.68*12*12cm Massage Method: Vibration MassageBattery Capacity: 650MA/Lithium Battery Charging Voltage: DC5V/1A Charging Voltage/Current: DC3.7V/500mAInter Intensity of Control: 3 FilesCharging Time: About 2.5 hoursWorking Time: About 4 hours. It will automatically shut down after 15 minutes of startup. Fully Charged Light Does Not FlashPacking List:1 * Massager, 1 * USB Charging Cable, 1 * User ManualNote: Please allow 0.5-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!