|4.2 wireless speaker in ABS with bamboo casing and LED light indication. 1 Rechargeable Lithium 450 mAh battery included. Includes a SD card port and an AUX/ USB cable. Hands free call function. Output data: 3W, 3 Ohm and 5V. Playing time approx. 3h. Bamboo is a natural product, there may be slight variations in colour and size per item, which can affect the final decoration outcome. Laser Engraving, Pad Print. Bamboo.