[With Metal Wire Stand] Our electric bobbin winder comes with an extra metal wire stand to accommodate a wider range of wire types and sizes, whether it's a small personal project or a large professional task, this feature ensures that you have the flexibility to use a variety of spools of wire without the need for additional tools.[Safe and Durable] Our electric bobbin winder is made of high quality ABS and alloy, sturdy and durable, safer, product power: 7.2W.[Compact and Portable] Our electric bobbin winder measures: 13.8x10.6x7.8cm, with a minimalist suitcase-type exterior design and a snap-on design that opens with a single press. The top carrying handle can be pulled out, easy to carry. When not in use, the lid can be closed, easy to store and will not accumulate dust.[Save Time] This sewing bobbin winder fills the bobbin quickly and easily and stops automatically, effectively saving time on sewing and crafting projects.[Battery/USB Powered] Our electric bobbin winder is powered by USB charging or 2 x AA batteries (USB and batteries not included)Easy to Use: No more unraveling the thread of your sewing machine to wind the bobbin, with the electric bobbin winder, it helps you to fill the bobbin easily and it will stop automatically.Compact and Portable Design: Our electric bobbin winder is designed as a simple suitcase with a pull-out top handle, easy to carry.Product name:Automatic Bobbin WinderProduct power:7.2WPower supply:5VDC or 2 x AA batteries (both not included)Colour:WhiteMaterial:PlasticSize:13.8cm long, 10.6cm wide, 7.8cm highPackage Contents:1 * Bobbin Winder