Mini Size But Surprisingly Loud Volume:With five-watt amplifiers processing audio output, this mini retro radio sounds amazingly richer and louder without any distortion. The compact retro bluetooth speaker only takes a space of 4.4 x 2.7 x 2 inches with one thousand one hundred mAh built-in rechargeable battery, up to nine hours play time. Take outside and listen to vintage radio and music during cooking;party;yard work;garage;campfire;hiking;biking or beach, whatever you need it to do Let's Go Back To the Old Days:This vintage radio speaker has retro and elegant appearance. It uses square design and blends modern technology with retro classic aesthetics, combining the latest and best digital audio tech with a 1950s retro vibe. We can feel like back into the golden age of music in 1950s, enjoying a soothing moment in todays busy life. With the advanced Bluetooth 5.0 technology, this retro bluetooth speaker could connect with your smart equipment in less than one second Devel