WoW! Bluetooth ABS speaker with a casing made from FSC 100% certified bamboo. The wireless 3W Bluetooth speaker (version 4. 1) Is rechargeable and has excellent sound reproduction. Power 300mAh/3. 7V. Range up to 10 meters. Easy to operate and compatible with the most common smartphones and tablets. Includes a charging cable with USB C connection and a user manual. Each item is supplied in an individual brown cardboard box.