1. Wide Range of Use: Headband magnifier is suitable for the elderly to read newspapers, modeling, antiques, biological observation, reading, electronic components observation, etc. 2. 5H Hardness: Headband magnifier's lens surface has been strengthened, the hardness can get 5H level, effectively reducing scratches in daily use. 3. Push LED Light Switch: Headband magnifier adopts push LED light switch, the lower part is the power display light. 4LED two levels of brightness can be adjusted. 4. Forehead Protector Design: LED headband magnifying glass adopts forehead protector design, which is comfortable to wear and increase the friction. 5. Type C Charging Interface: LED headband magnifying glass adopts Type C charging interface, the battery is stable and fast. Specification: Item Type: Headband Magnifier Material: ABS Frame, Five Groups of Acrylic Optical Lens Lens Size: Approx. 95x34mm 3.74x1.34in Magnifying Glass Size: Approx. 210x150x70mm 8.27x5.91x2.76in Magnification: 1.0x, 1.5x, 2.0x, 2.5x, 3.5x Lenses Lighting Source: 4 White LEDs (Two Step Light Source) Battery Parameters: Lithium Ion Battery 300mAh (Shipped with Built In Battery) PackageList: 1 x Main Unit 5 x Lens 1 x USB Cable 1 x USB Charging Cable 1 x Instruction Manual 1 x Tie Strap 1 x Cleaning Cloth 1 x Storage Box Notice: 1. When cleaning, do not wipe the lens with alcohol.2. Manual measurement please allow some error.Forehead Protector Design: LED headband magnifying glass adopts forehead protector design, which is comfortable to wear and increase the friction. Type C Charging Interface: LED headband magnifying glass adopts Type C charging interface, the battery is stable and fast. 5H Hardness: Headband magnifier's lens surface has been strengthened, the hardness can get 5H level, effectively reducing scratches in daily use. Wide Range of Use: Headband magnifier is suitable for the elderly to read newspapers, modeling, antiques, biological observation, reading, electronic components observation, etc. Push LED Light Switch: Headband magnifier adopts push LED light switch, the lower part is the power display light. 4LED two levels of brightness can be adjusted.