This wireless microphone enhances your karaoke practical experience through the intelligent DSP chip that improves sound quality by a whopping 30% and generates a fantastic echo sound. Ruggedness and waterproof design: We give priority to speakers that are built to survive the knocks and bumps of travel. We prefer https://www.bluetoothspeaker.top/2200mah-baterry-outdoor-portable-speaker-wireless-bluetooth-speaker/