Features: 1. Compact and portable, easy to operate and carry, and can be flexibly used in various scenarios.2.A variety of grinding heads are available to adapt to different grinding needs and materials.3.The rotational speed can be adjusted to meet the grinding tasks with different degrees of fineness.4.Low-noise operation to reduce interference during work.5.Both professional craftsmen and amateur enthusiasts can easily get started, with a wide range of applications.6.Rich accessory choices allow users to customize according to specific needs.7.Its portability enables grinding operations to be carried out anytime and anywhere.8.Durable and reliable, it is an ideal tool for long-term use. Specification: Material:Plastics and metals Model:3691 Rated voltage: 3.6V Frequency: 50-60Hz Package included: The outer packaging is a carton, and there is a main product in the carton, as well as the accessories in the purchased package as shown in the picture. Notice: 1. Before using the power tool, please carefully read and abide by all the safety instructions in the user manual.2. Ensure that the work area is clean and free of obstacles to prevent accidents.3.Check whether the power tool is working properly. If there is damage or failure, do not use it.4.Keep the correct operating posture and avoid excessive force or improper operation.5.Do not let the power tool run overloaded to avoid damaging the tool and causing danger.6.During the use, pay attention to the safety of the people around to avoid harming others.7.Regularly maintain and service the power tool to ensure its good performance.8.When not using the power tool, it should be placed in a safe place to avoid children's access.