1The portable bluetooth speaker has powerful bass, no sound interruption at high volume, and 360 degree surround sound in all directions. Equipped with 5W highquality speakers. The smooth and soft appearance brings you an excellent visual experience. The high frequency is clear and transparent, the sound is bright, the middle frequency is clear and cleaning, the low frequency reaches a fairly low level, and the sound is strong and powerful. 2The Bluetooth 5.0 technology with A2DP technology transmission has lower power consumption than Bluetooth 4.2, faster transmission speed, strong antiinterference ability, more stable signal, and no delay. Wireless speakers are compatible with multiple devices, such as tablets, laptops, desktop computers, TVs and mobile phones. 3Small size and large capacity. Builtin 1800mAh rechargeable lithium battery. Let you enjoy the fun of music and meet your needs throughout the . 4Portable bluetooth speakers can be carried with you, anytime, anywhere to enjoy, add a beautiful experience to your journey. 5The nylon wearresistant fabric technology and the silicone lanyard are strong and durable, allowing you to easily hanging the speaker on a backpack or bicycle. 6Suitable for leisure, entertainment, office, indoor, outdoor, hiking, beach, etc. Condition: 100% Item type:BluetoothSpeaker Material: ABS Optional Color: black, red Weight: Approx. 338g Bluetooth version: Bluetooth V5.0 Working range: about 10 meters Battery model: built-in ICR18500 lithium battery Battery capacity: 1800mHA Working time: maximun10 hours Waterproof: IPX5 Subwoofer Distortion:1 xSpeaker1 x USB connecting cable1 x Instruction