SMALL SIZE AND LARGE CAPACITY:Can store more than 120 cards for headset and speakers at the same time and 30 double-sided transparent cassettes are included. PORTABLE DESIGN:With an adjustable shoulder strap, it can be hand-carried or carried over one shoulder for flexible use. COMPACT AND LIGHTWEIGHT: Smaller size carrying case compatible with Yoto Mini Kids Audio Music Player Children Speaker. You can put it in your backpack or suitcase when you go out, or hang it on the wall or put it on your desk at home without taking up more space and easy carry. FASHION AND STURDINESS: SARLAR compact hard case minimalist style design, hard shell and soft inner tray for your Speaker Bluetooth Speakers with durable protection. STORE YOUR DEVICE SAFELY: Made of high-density durable material, fixed elastic band built-in, anti-pressure and anti-scratch. Wherever you are with a dual-shell outer casing that keeps your speaker and accessories out of harm.