This wireless microphone boosts your karaoke working experience through the clever DSP chip that enhances sound quality by a whopping 30% and produces an excellent echo sound. For all twenty five speakers we tested, the average battery life was a little under seventeen hours. The Sony Ult Area 7 https://www.bluetoothspeaker.top/bluetooth-speaker-wireless-speaker-stereo-sound-bluetooth-5-0-with-rgb-lights/