Everyday Set: coffee mug 370 ml & wireless speakerA practical set combining a sleek thermal mug and a compact wireless speaker, perfect for everyday use. The mug, made from high quality POSCO stainless steel, keeps beverages hot or cold while the colorful silicone gasket ensures a leak proof seal. The portable Bluetooth speaker delivers up to 8 hours of playtime, is made from durable silicone and ABS, and features a convenient loop for easy carrying or attachment.