Bamboo Bluetooth« speaker with a 3W output and crystal clear sound. A compact speaker with a built-in 500 mAh battery that allows for up to 3 hours of usage at maximum volume. Bluetooth« 5.0 working range is up to 10 meters. Packaged ...in a gift box and delivered with an instruction manual (both made of sustainable material). Micro-USB charging cable is included. Since bamboo is a natural product, there may be slight variations in colour and size per item, which may affect the final decoration outcome. Bamboo.