4.2 Bluetooth speaker in ABS with bamboo casing. 1 rechargeable Li-on 450mAh battery and light at the bottom of the speaker. Output data: 3W, 4 Ohm and 5V. Micro USB cable included. Playing time aprox. 3h. Bamboo is a natural product, there may be slight variations in colour and size per item, which can affect the final decoration outcome.