Voice amplifier portable speaker S613 high Power UHF wireless for teacher
| Parameters | |
| Model: S613 wireless | Frequency Response: 80Hz~18KHz |
| Size: 98*88*43mm | Working time：12~15 hours |
| Weight: 183g | Color: Blue / Black |
| Input signal：Microphone | Output impedance：2Ω |
| Charging voltage：9V 1.2A | Battery：7.4V 1100mAh |
| Output power：RMS 18W | Appearance：Piano stoving varnish |
| AUX input：Support | Audio format：MP3 |
| Store mode：TF card/USB disk | |
| Other functions：Operation indicators / Silicone non-slip MATS / NdFeB double magnetic trumpet / Waist hanqing | |
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