Karaoke Mic review of WS 878 vs WS 858 review

Portable and durable, lightweight, easy to carry. Bluetooth technology for lower energy consumption but more stable connection and faster transmits speed, effective wireless operating distance is up to 10m. Metal shell protective and super bass loss-less sound create a high-quality listening experience. Noise cancellation function wireless capacitive microphone, you can enjoy singing wonderful music by yourself. Bluetooth wireless design for connecting to any Bluetooth enabled smart devices. Distortion is less than 0.5 percent, reduce the loss of sound quality effectively. Fashion outdoor bag design, it can be hung on the bike or taken by hands, let you enjoy music all the way. It also can recording with mobile phone, connect the recording wire and open the Karaoke software in the phone.