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| Power Source | Battery | Support Apt-x | No |
| Support APP | No | Battery | No, Rechargeable lithium battery |
| Wi-Fi Music | no | Number of Loudspeaker Enclosure | 30 |
| Set Type | Speaker | Feature | None |
| Material | ABS, ABS | Waterproof | No |
| Communication | usb | Support Memory Card | Yes |
| Speaker Type | OUTDOOR SPEAKER | Remote Control | No |
| Cabinet Material | Plastic | Display Screen | No |
| Intelligent Personal Assistant | None | Voice Control | No |
| Built-in Microphone | No | Tweeter Size | None |
| Brand Name | Shuanghe | Model Number | HM-135 |
| Type | Passive | Use | Portable Audio Player |
| Special Feature | PORTABLE | Place of Origin | Henan, China |
| Product name | Megaphone | Features | Propaganda Recording Music Alarm Bluetooth USB |
| Performance | Loud and clear | Propagation distance | 700 meters |
| Discharge time | 10 hours | Recording time | 160/350 seconds |
| Operating Voltage | 3.7V | Power | 30W |
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