Dual 5.25 inch Portable Bluetooth Speaker with Battery 便携式蓝牙音箱
- Bluetooth/USB/TF/FM/AUX with Karaoke (wireless microphone optional)
- 30W Hi-Fi classic D amplifier system （15W optional）
- Master volume/Treble/Bass/Mic. Volume/Echo control
- USB support MP3/WMA audio format
- 4 digit LED display (red)
- Digital ECHO for Karaoke
- LED lighting
- Built-in battery