Uniway A8 Multi-functional Buetooth Speaker Hands-free Calling Wireless Speaker Enhanced Bass Portable Speaker Built-in Microphone Mini Speaker-White This mini speaker has outstanding,clear and full-range sound with mini size,which is small enough to fit in whatever you're carrying out the door.The newly designed passive radiator could provide strong bass without distortion even at highest volume. Built-in microphone has superb volume levels for a rich stereo sound in crisp high definition,which supplies studio quality at indoor & outdoor with a deep bass.New powerful sub woofer and loud crystal clear sound allows you to use this wireless speaker for hands-free calling.Dual keys answer,last number redial and voice broadcast incoming call number can create a safe convenient driving environment. There are neither cords nor cables needed to make the music bump.Stereo audio input interface is easy to connect digital music players and other audio devices.You can use the 3.5mm Aux as another option for sound input as an alternative. Uiway A8 bluetooth speaker is the perfect one with any Bluetooth-enabled devices.Wirelessly connects via Bluetooth v4.0 Technology at a distance of up to 10 meters. Built-in 1500mA rechargeable battery for up to 10 hours of playtime with environmental protection, energy saving and practical.There's no need to be interrupted by running out of juice while traveling with this portable speaker.