SHIDU S40 UHF Wireless Voice Amplifier portable for teacher coach and speech
| Parameters | |
| Model: S40 | Frequency Response: 120Hz-18KHz |
| Size: 112.5*90*42mm | Play time: 6-8Hours |
| Weight: 256g | Color: Black/Red/Blue |
| Charging Voltage: DC 5V | Battery Capacity: 3.7V 1500mAh Lithium Battery |
| Working Temperature: -10~45℃ | Case Material: ABS |
| Bluetooth Version: 5.0 | Output power: 10W |
| Interface Function: TF card/USB/charging port/MIC | |
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