Nature line Bluetooth® speaker in a combination of natural cork and limestone cement, a binder formed by mixing natural materials, mainly ground limestone and water, obtaining a material of great consistency and durability. Compact in size, it becomes a perfect complement to your smartphone. Bluetooth® 5 connection.0 and 3W power. Includes micro USB charging cable. Bluetooth connection. Sound Power 3W.300 mAh Limestone Cement/Cork Battery