This battery is specially designed for iPod Nano 7,iPod Nano 7th,iPod Nano 5th16G,A1446, it can replace your old battery, Tech skills may apply when replacing the battery. | The battery comes with high quality repairing tools and 3M adhesive tapes, no instructions for installation, a professional technician is recommended if you don’t know how to replace it by yourself. | If the product you received is broken, crashed or dented, please do not install it in your phone, tablet or your laptop, contact us firstly and we will help you to resolve the problem immediately. | Installation videos could be found on the internet like YouTube.