Cool, portable, . The vibrant fresh looking M1 Mini BT speaker delivers surprisingly rich M1 Mini BT speaker Original Pro Sound in a compact package. The unique oval shape fits easy in your hand. Fully wrapped in colorful fabrics with expressive details inspired by current street fashion, it’s easy to match your style. The fully integrated carabiner hooks instantly to bags, belts, or buckles, to bring your favorite tunes anywhere. dustproof, and up to 10 hours of playtime, it’s rugged enough to tag along wherever you explore. ✅No batteries✅Charges via USB cable✅Good sound bass and volume✅connect via Bluetooth ✅ listen to music via flash disk as well✅approximately 20cm diameter✅outdoor.. Indoor.. Car.. Etc High-quality ABS-made material, lightweight and portable, easy to use, convenient to take.