Manual sewing machine product information:Name: Portable Mini Manual Sewing MachineMaterial: high quality plastic + metalWeight: about 240 gramsFeatures:Hand-held sewing machine, convenient to carry, compact, simple to operate, suitable for most sewing usersYou can perform sewing work directly on the clothes on your bodySewing machine operation:Hold the fabric with your left, (the fabric needs to be flattened). After preing the top of the upper cover gently and quickly with your right thumb, pre down again with your thumb. Repeatedly, the cloth feeding mechanism will automatically send the sewing material to the left. Hold the right hand of the machine and gradually move it to the right, and gently move the sewing object to the left in accordance with the sewing rhythm in the left hand until the sewing ends; cut the thread with sciors, and gently pull up the preure plate to take out the fabric. From the reverse side of the fabric to be sewn, pull out a section of thread, make it pa into the next section of loop, tighten and tie a knot, the stitches will be firm; do not pull the thread by hard pulling the fabric at the end of sewing Head, so as not to damage the needles and pinsPrecautions for use:1. The thickne of the fabric should not exceed 1.8 mm2. This is a single thread sewing machine, so you need to tie the knot yourself.3. Can not mix different brands of batteries or mix old and new batteries4. If the battery is overheated, please wait for a while.If the product does not work smoothly, please contact us for replacement