[Precautions for purchase] You can use 4 AA batteries or DC 6V power adapters (both are not included), after repeated tests by the seller, the 350 per when using batteries. The faster the working frequency is, the denser the sewing thread is and the stronger the clothes are. Note: Because this is a monofilament sewing machine, you need to it yourself, otherwise the rope will fall off .[Package includes] The sewing machine is equipped with an English manual, 8 bobbins, 1 pair of scissors, 10 safety pins, 1 threading device, 1 sewing needle, 1 extension shaft and 1 tape measure. There is a test cloth on it to test whether it works. Nobody will use it.[ of application] It is suitable for beginners and , family and travel emergency use, and can also be put in the car for standby. It can be used for repairing patches, sewing clothes, , baby bibs, pet clothing, , jeans, curtains, bed sheets, pillows, tablecloths, shopping bags, etc. It is applicable to all fabrics with thickness less than 1.8mm. More importantly, you can sew without taking off your clothes[Advantages] The product is upgraded with new technology to increase power and reduce noise. It is easy to operate, widely used, light weight, durable, and does not occupy storage space. It is more convenient than the desktop sewing machine and saves money and time. It is also equipped with the most complete sewing accessories and supplies, which can meet all your sewing needs.[Why us] The hand- sewing machine is upgraded with new technology, which increases power, reduces noise and is not easy to skip stitches. Convenient one-hand operation 21 x 7 x 5 cm. Beginners and can meet their different sewing needs. The manual sewing machine is equippedwith 4 thread set points, which can be removed by sewing through the knob and adjustable mounting plate.Plug Type: US Plug, it applies to Canada, , Mexico, Thailand, Taiwan, the , the Philippines and so on.Voltage: AC110VColour:blackMaterial:plasticPackage Contents:1 Set x machine sewingOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.