Bluetooth solution: JL5.0, speaker: 3W, battery: 3.7V 400mAh, Receiving distance: 10 meters, charging time: 2 hours, playing time: 2-6 hours, Signal to noise ratio: 90dB. Support implementation function: Bluetooth/U disk/TF card/audio output Portable & Mini Retro Design-Super cute, Great little speaker for room,allowing you to carry it all around,makes it easy to listen to music.Take outside and listen to vintage music during cooking, party, yard work, garage, campfire, hiking, biking or beach,great for home office decoration as well as various gift ideas. The vintage and elegant appearance of this bluetooth speaker looks awesome in designed studio. Let's Go Back To the Old Days- This vintage speaker has retro and elegant appearance. It uses retro decor design and blends modern technology with retro classic aesthetics, combining the latest and best digital audio tech. We can feel like back into the golden age of music in 1950s, enjoying a soothing moment in todays busy life. Ideal Gift For Music Lover-The exquisite gift wrap, vintage design makes it a perfect gifts .Anyone that loves music will love this retro speaker. You will always be remembered with this special and impressive gift! This kawaii speaker is equipped with a bass enhancement system which let the vintage produce from the front.