[Mini size, but amazing volume] 5 watt amplifier processing audio output, this retro mini sounds richer and louder without any distortion. The compact retro bluetooth speaker takes up just 2.48 x 1.85 x 1.18 inches of space, has a built-in rechargeable 400mAh battery, and has a play time of up to 10 hours.[Let's go back in time] This retro speaker looks retro and stylish. It uses a square design, combining modern technology with a classic retro aesthetic, combined with the latest and digital audio technology. We seem to have returned to the golden age of music in the 1950s, enjoying some soothing moments in today's busy life.[Create Your Own Fashion Style] The latest sound technology, unique design and high end retro standards make this speaker the perfect choice for both casual and formal occasions Enjoy life, this most innovative retro bluetooth speaker[Perfect and everlasting gift for music lovers] Looking for gifts for your music loving friends or family members whose birthdays are approaching? This retro model is your first choice. This stylish design with retro museum colors, exquisite gift wrapping and high quality plastic suitcases is a treasured gift for your family and friends on your birthday or holiday.[Wireless connection] Bluetooth wireless speakers use high quality chips, stylish and modern nostalgic appearance, excellent receiving sensitivity, adjustment knobs and indicator plates to improve the operating performance.