Opened box and used once. Comes in original box.Very minor scuffs but looks new, see photos.You need an app to use it, and download instructions online on how to set up.The Populele 2 Concert Ukulele has two AAA batteries that power its smart functions. The batteries are located in a small hatch on the back of the ukulele, which is operated by a switch. The smart functions allow the ukulele to communicate with the Populele Smartphone or tablet app via BluetoothEXCLUSIVE SONG LIBRARY: With unlimited access to hundreds of popular songs from around the world, the PopuMusic Populele 2 Smart Ukulele Carbon Fiber Edition keeps your musical repertoire fresh and exciting. Whether you're a seasoned player or just starting out, this ukulele lets you learn, play, and make your own music with ease.LED LIGHTS GUIDE: Practicing and learning have never been more fun or engaging than with our PopuMusic Populele 2 Smart Ukulele Carbon Fiber Edition. Its smart design instantly and wirelessly receives rhythm signals from your smart devices and displays finger positions with 56 LED lights. Say goodbye to tedious and frustrating chord charts and hello to a more enjoyable playing experience!DURABLE AND SLEEK DESIGN: This ukulele isn't just smart - it's stylish too! With an elegant and innovative carbon fiber design, this Ukulele looks and feels great in your hands. Plus, its portable and lightweight design means you can take it with you wherever you go.REAL-TIME LEARNING: Whether you're a beginner or a seasoned pro, our ukulele set has something to offer. Its fun and interactive video lessons cater to every skill level and guide you from your first chord to your big solo. Learn at your own pace and never miss a beat with this handy feature.