1. Note: Please watch the instructional video and carefully read the manual before using the product to ensure and effective operation 2. Extra Metal Wire Stand for Larger Spools Effortlessly handle large spools or those that don't fit the main shaft with the included metal wire stand. Simply place the spool beside the bobbin winder and guide the thread through the stand hole for smooth operation. Compatible with various thread types and spool sizes, it eliminates the need for extra tools, ensuring versatility for any sewing project 3. USB or Battery Powered for Ultimate Convenience Choose your power source! This bobbin winder works with USB charging or 2 AA batteries (not included), making it ideal for both home use and travel. Never worry about running out of power when you're on the go or in the middle of a project 4. Automatic and Design Save time with the automatic winding feature that fills bobbins quickly and stops on its own when finished. Whether you're sewing or crafting, this tool lets you focus on your creativity without interruptions 5. Compact and for Easy Storage Designed with convenience in mind, this bobbin winder boasts a suitcasestyle exterior (13.8x10.6x7.8cm) with a snapon lid to keep it dust. The pullout handle makes it easy to carry, while its sleek, compact design fits effortlessly into your sewing kit or workspace 6. and Reliable Build Made from highquality ABS and alloy materials, this 7.2W electric bobbin winder ensures longlasting performance. Safe and durable, it's built to meet all your sewing and crafting needs with ease and reliability