[High-fidelity sound quality]: Portable Bluetooth speakers have shockingly rich bass, high volume without interruption, and 360 all-round sound effects. Equipped with 10W high-quality speakers. The smooth and soft appearance brings you a wonderfulvisual experience. The high frequency is transparent and bright sound, the middle frequency is clear and clean, the low frequency reaches very low, but the function is powerful and full tone. It provides rich sound and enhanced bass, beyond its size. [Waterproof and loss-proof]: Completely sealed design, IPX7 waterproof, not afraid of rain. Play music easily. Use Bluetooth speakers to sing in the shower. It is also shock-proof and damage-proof. Even if the Bluetooth speaker is dropped to a heightof 1.5 meters, it can still remain intact. It can be used even in harsh environments such as lakes, forests, and deserts. [Bluetooth 5.0]: A new generation of Bluetooth 5.0 technology, transmitted by A2DP technology, lower power consumption than Bluetooth 4.2, but with faster transmission speed, stronger anti-interference ability, more stable signal, and no delay. If youdon't use Bluetooth connection, it also supports TF card playback, AUX audio. This wireless speaker is compatible with a variety of devices, such as tablets, laptops, desktop computers, TVs and mobile phones. [Long battery life]: Small size but large capacity. Built-in 2500mAh rechargeable lithium battery. Let you enjoy music uninterrupted from day to night. Meet your needs throughout the day. Play at medium volume after fully charged, bringing you a30-hour uninterrupted music journey. [Mini portable size]: A small portable Bluetooth speaker can be carried with you, enjoy your listening anytime, anywhere, and add a wonderful experience to your journey. The nylon wear-resistant fabric technology and the silicone lanyard are sturdyand durable, allowing you to easily hang the speaker on your backpack or bicycle. Suitable for leisure, entertainment, office, indoor, outdoor, hiking, beach, etc.