All In One Bluetooth Speaker

https://www.8world.com/news/singapore/article/karaoke-system-1374031

New Portable Karaoke Speaker with Wireless Microphone
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Simply connect it to your phone / tablet / smart TV via Bluetooth, USB, or Line-in and you can start enjoying your karaoke session!
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Also suitable for music, live broadcast, teaching, conferences etc.. multifunctional!
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It contains 2pcs built-in power amplifiers and Yamaha chip which creates a 3D surround sound effect and realistic karaoke reverberation effect.

Comes with a remote control that enables adjustment of karaoke sound effect.

这台便携式音响系统只有四公斤重，用户只需插上电源，连接到YouTube或点歌应用程序就能在家尽情唱卡拉OK。