Features: brand new and high quality Full-range surround speaker design, surging sound effects, experience Live-level vivid sound effects. 14 hours long battery life, feel the company of lasting music. Upgrade to 5.0 Bluetooth-compatible, uninterrupted long-distance connection. With charming projection lights, create your own romantic space. The digital display clock makes your life more convenient. Specifications: Material:ABS Number of Lamp Slice:1,6(optional) Battery Capacity:1800mAh Charging Port:Type-C Charging Time:3hours Voltage:DV 5V Size:Approx.11.4x11.4x8.5cm/4.49x4.49x3.35in Net Weight:450g Package Includes: 1x Bluetooth-compatible Speaker note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.