This wireless microphone improves your karaoke experience through the smart DSP chip that increases sound quality by a whopping 30% and generates an excellent echo sound. For all twenty five speakers we tested, the average battery life was a little under seventeen several hours. The Sony Ult Area seven https://www.bluetoothspeaker.top/wireless-rgb-speaker-bluetooth-speaker-original-nice-sound-with-bass-good-price/