Shenzhen Link-Tec Technology Co., Ltd. [China]

speaker 1.support USB/SD card played with remote control 2. Accessories: USB line, audio line charge

 speaker

1 output power: 3Wx2 RMS2 lift unit: 52mmx23 the frequency response: 90Hz 20KHz ~4 the signal-to-noise ratio: 92dBA acuity5 USB DC power: 5V6 support USB/SD card played with remote control7. Accessories: USB line, audio line charge

OB-005 speaker