ECO Bluetooth 3W wireless speaker with integrated mood light. The speaker casing is made of natural bamboo. With 3W of power, the speaker produces crystal clear sound. The built-in, rechargeable 300 mAh lithium battery. When fully charged, the battery can power the speaker for up to 3 hours of continuous use. Wireless range up to 10 meters. Easy to use and compatible with the most common smartphones and tablets. Input: DC5V. Output: 3.7V/3W. Includes micro-USB charging cable and user manual. Each item is supplied in an individual brown cardboard box.