This nostalgic, vintage-style Bluetooth speaker features the latest technology, receives FM Radio, and is beautifully presented in a carrying case that is guaranteed to delight you. With 5-watt amplifiers processing audio output, this mini retro radio sounds amazingly rich and loud without any distortion. Only 3.72 x 2.84 x 2.21 inches with a 1000mAh built-in rechargeable battery and up to 10 hours play time and 20 hours in FM mode.