[Stereo Sound] Professional acoustic engineers create higher quality crystal-clear stereo sound. Dual precision stereo drivers provide clearer sound quality, accurate mids and crisp highs; the round design and sinking bass further enhance the sound quality. [3 Lighting Modes] This Bluetooth speaker has 3 lighting modes. The gradient-colored speakers allow you to enjoy the wonderful music of the HD subwoofer under the gradient lights, truly creating a party atmosphere. This portable speaker is suitable for any room and is also an ideal outdoor speaker. [Wireless Connection] Advanced antenna design, using Bluetooth 5.2 protocol, provides a larger wireless range, making the connection fast and stable. This wireless speaker can easily connect to mobile phones, laptops, desktop computers and all other Bluetooth devices. [4 hours play time] Built-in 1200mAh large-capacity lithium battery (included), provides ultra-long standby time, so that this portable wireless speaker has up to 4 hours of play time; can be connected to and non-Bluetooth devices via a 3.5mm audio input cable. [Hands HD Call] Built-in microphone for hands-free phone calls. Hands HD call function, true wireless connection (connect two headphones of the same model in series to left and right channels). Three playback modes: Bluetooth, memory card and AUX. Color: Black Material: ABS Package Contents: 1 x Bluetooth Speakers 1 x Charging cable 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.