Lightning-Fast Heating: Experience hair extension kit professional speed with 3-second heat-up and reach max temperature within 1 minute for rapid application. The 360° rotating 2.5 meters power cord ensures tangle-free operation during intricate styling, enhancing workflow U tip hair extensions tool: hair extension fusion tool is suitable for u-tip types of hair gel,such as: Nail hair,Bang Bang hair and flat hair gel. u tip hair extensions attachment method ensures a seamless blend between your original hair and the extensions,creating a natural and invisible look Precise Temperature Control: Change temperature 100-220°C/210-390℉ by rotating the knob, which reach the perfect, consistent temperature for reliable, safe results Long-lasting Teflon-Coated Tips: Features a special Teflon surface coating on the heating tips, which heats more evenly,heat more evenly,would not easily glue on the hair extension heat tool,easy to clean.This ensures longevity and smooth, non-damaging contact with hair extensions Easy Maintenance for Longevity: Clean up any residual glue promptly after use to extend the service life of this keratin extension tool 1.Hair Extension Tool Applications: works perfectly with various of hair extensions systems like keratin glue, pre-bonded hair, i-tip hair, u-tip hair, nail hair etc. 2.Adjustable Temperature:210℉ - 390℉/100℃ - 200℃.Easy and safe application. 3. Ergonomically Designed: Suitable for different types hair extension systems. 4. 8.2ft/2.5m 360° Swivel Long Cord: Do your hairstyle freely and conveniently. 5. Voltage: Worldwide universal100-240V dual voltage with US plug. 6. Hair Extension Fusion Tool Color: Black and Pink are available. The Way to Use Hair Extension Fusion Connector Iron How to use This Hair Extension Tool? 1)Put a bunch of hair on the gel head recess (as much as the extended hair). 2)Use the heating hair connector tool melt the glue together with the hair. 3)Pinch smoothly for about 1-3 seconds. Rub gently, make the middle of the gel is round and both sides is tip (pay attention to the temperature and avoid high temperature to hurt your hand).