Specification: Type: Cordless Screwdriver, Mini Screwdriver, Magnetic Screwdriver, Multifunctional Screwdriver Set Power Type: Rechargeable Lithium Battery Technology Scope of Application: Furniture and Toy Installation Power Supply Voltage: 3.7V Rated Speed: 250 (rpm) Rotation: Bidirectional No-Load Speed: 250 (rpm) Maximum Screw Diameter: 3.5 Drive Shaft/Collet: Collet Number of Revolutions: 250 (rpm) Tightening Torque: 2.5 Rated Voltage Range: Single-Phase AC and DC 50V and Below Feature: 1. Daily use: An electric screwdriver is the first choice. Small and Lightweight, the magnetic hexagonal head is very suitable for small and light Works, such as circuit repair, bicycle repair, electrical maintenance, Switch installation, etc. 2. Convenient charging design: Built-in Rechargeable lithium-ion battery power supply, durable performance And long service life. 3. This screwdriver can use a USB charger Cable, so you can use the USB port to plug it in anywhere, for example Laptops, power