All the devices with in-built mics declare to support hands-free calls. While This is certainly accurate, the quality of your calls will enormously count on the clarity on the microphone. Our crew users say the best way to guarantee clarity throughout your calls is to look for noise-cancelling mics. https://www.bluetoothspeaker.top/hot-selling-bluetooth-speaker-wireless-gift-lights-with-smart-phone-control/