Bluetooth® Speaker Made of a Combination of Natual Limestone & Cork. Speaker Output is 3 W & It Contains a 500 Mah Lithium Polymer Battery. Includes a Micro-usb Charger Cable. Bluetooth® 5.0 Working Range is 10 Metres. This Speaker Allows Up to 4 Hours of Usage at 70% Volume on a Single Charge. Supplied in a 100% FSC Certified Gift Box & Comes with a FSC Manual. 90% Limestone & 10% Cork. Minimum Quantities Apply.