Package Information: You will receive 2 LED rotating pens, smartly designed, comfortable to hold, easy to use and use, and the quantity is enough for you to use and replace. < p>Durable quality: The rotary pen is made of non-slip material, wear-resistant and pressure-resistant, durable and easy to hold; in order to achieve a good balance performance, we designed metal tips on both sides of the pen, allowing you to rotate easily Ingenious design: both ends of the rotating pen are weighted to reach the point golden balance and improve the flexibility of use; the design has an anti-drop cap to increase durability; the LED light is gradient color, the color is very dazzling and charming Battery assembly method: each rotating flash pen is equipped with 6 button batteries; when the battery is discharged due to long-term use, you can prepare to replace the battery yourself; the assembly of the battery is very simple, just turn the upper switch counterclockwise to take out the battery, then do the same Install the new battery in the same direction as the previous battery Function of use: The rotary pen can exercise your finger flexibility and help you get rid of the pressure of work and life; in addition, changing the color gradient can bring you a more pleasant mood and add more fun to life.