HiFi Sound Quality: The portable bluetooth speaker has shocking rich bass, large volume without voice break, 360 all around sound effect.Equipped with 5W high-quality speaker. Smooth and supple appearance gives you a great visual experience.High-frequency is transparent and bright sound, medium-frequency is clear and clean and low-frequency reaches pretty low but powerfull with a full sound. It offers a rich sound and an enhanced bass that goes far beyond its size. Bluetooth 4.2: A new generation of Bluetooth 4.2 technology with faster transmission, stronger anti-interference ability and more stable signal without any delay. This wireless speaker is compatible with multiple devices such as tablets, laptops, desktop computers, televisions and mobile phones. Waterproof and Anti-Damage: Fully sealed design with IPX67 waterproof makes it not afraid of rain.Playing music at ease. You are never alone to sing in the shower with the bluetooth speaker. It is also anti-shock and anti-damage. Even if the bluetooth speaker falls down at 1.5m high, it can still keep intact. It can even be used in harsh environments such as lakes, forests and deserts. Long Battery Life: Small in size but large in capacity. Equipped with built-in1800mAh rechargeable lithium battery. Let your enjoy music without being uninterrupted from day to night.Meet your needs throughout the day. Playing at medium volume when fully charged can bring you a 18-hour uninterrupted music journey. Mini Portable Size: Small portable Bluetooth speaker can be carried around and enjoy your listening anywhere, adding wonderful experience on your journey. Nylon wear-resistant fabric technology and silicone lanyard are strong and durable, which enables you to hang the speaker on a backpack or bicycle easily. Suitable for leisure, entertainment , office, indoor, outdoor, hiking, beach, etc.