Portable design, favorite, fabric LED Bluetooth speaker, supports interconnection mode stereo sound quality adapt to a variety of devices. High-definition sound quality strength, 40MM high-sensitivity full-range unit, clearly showing the sound details. Upgrade V5.3 Smooth and stable, stable connection throughout the whole process, strong anti-interference, wireless music freedom. 2 open stereo effect, support interconnection, build a more balanced and full stereo effect, and make party entertainment more practical. Adapt to a variety of devices Mobile phones, computers, tablets, and other Bluetooth-adapted smart devices are all compatible and can be played without obstacles. Connection method: Bluetooth connection Frequency response range: 100HZ-20KHZ Signal-to-noise ratio: ≥70db Built-in battery capacity: 300mAh-500mAh (inclusive) Power supply: lithium battery Waterproof level: IPX 6 Bluetooth version: 5.3 Color: Black Material: plastic Package Contents: 1 * Speaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.