Fancii Headband LED Illuminated Head Magnifier Visor - 1X to 3.5X Zoom with 5 Detachable Lenses - Hands Free Head Worn Lighted Magnifying Glasses for Reading, Jewelry Loupe, Watch & Electronic Repair INTERCHANGEABLE LENS DESIGN: Switch between 5 optical lenses using a simple click and release system. Magnification power: 1X, 1.5X, 2X, 2.5X, 3.5X COMFORTABLE AND STYLISH: Lightweight ergonomic frame with soft padding suitable for all head sizes. Fits over your reading glasses VERSATILE: Best for examining intricate details in engraving, electronic parts, watches, jewelry, coins, stamps, dental work, hobbies and crafts HEADBAND MODE: Alternate between wearing it as glasses or headband. The included head strap can be attached with ease to ensure a more secure fit BRIGHT HEADLIGHTS: Two energy-efficient LEDs with rotatable angle; turn on or off with a simple switch on the top of the headset (Batteries NOT included) Two energy-efficient LEDs <span class="a-text-bold">30%</span> brighter and <span class="a-text-bold">60%</span> less energy than traditional incandescent bulbs Requires three AAA batteries (not included) Use as a lighted headlamp 1.0X, 1.5X, 2.0X, 2.5X and 3.5X magnification power 5 detachable magnifying lenses Adjustable light angle Detachable head strap