Enjoy your music anywhere, anytime with the finely-made blueooth speaker. Simple and portable to carry about. The sound output is incredible. You will be amazed. Deeper bass. Ultra-portable. Simple-controls. Multiple play modes (bluetooth, aux, card). Size: 145*67*61mm. Bt version: v4.2. Frequency response: 160hz—20khz. Battery capacity: 400mah. Music playing time: 3-4 hours. Audio output: 3w. Small but mighty. Premium design: minimalist design and unique fabric-finish complement any decor. A silicone base adds stability of the speaker. Product feature: size: 145*67*6mm1. Bt version: v4.2. Frequency response: 160hz—20khz. Battery capacity: 800mah. Music playing time: 6 hours. Audio output: 3watts.