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| Is wireless | Yes | Wireless Type | bluetooth |
| Support Memory Card | No | Vocalism Principle | Dynamic |
| Volume Control | Yes | Control Button | No |
| Codecs | None | Brand Name | Atsound |
| Model Number | S4 | Style | Ear Hook |
| Communication | Wireless | Use | Mobile Phone, Sports |
| Function | bluetooth, Waterproof, Noise Cancelling, Microphone, Waterproof | Place of Origin | China |
| Cord Length | 80cm | Waterproof Standard | IPX-4 |
| Active Noise-Cancellation | No | Color | Black,Red |
| Model: | S4 | Bluetooth Version | 5.0 |
| Charging time | 1-2H | Working time | 4-5 H |
| Working distance | 10m | Warranty | 1 Year |
| Type | Sport | Material | ABS |
| Certification | CE | Bluetooth Standard | Bluetooth v5.0 |
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