- Features: 1. Use 3.7V voltage, safe to use, with strict quality control and quality assurance, can be used with peace of mind. 2. Glue can be discharged quickly, convenient for operation, and effectively improve work efficiency. 3. The glue gun body structure is ingeniously designed, and the operation is light and comfortable. 4. Complete tools, you can operate it yourself, suitable for DIY enthusiasts. 5. Made of high-quality materials, strong and durable, has a long service life.