Mini Portable Handy Sewing Machine Handheld Sewing Machine Stitch Household Tool for Kids Clothing,

This is a Single Thread Sewing Machine, so you have to Tie A Knot by yourself. Can't mix the battery with different brand or mix the battery with old and new. If the product can't work smoothly , please find us for replacement. If you don't received or lost user manual, we will offer electronic edition immediately. Please wait for a moment to sewing when the battery get too hot