| Width | 9.2 |
| Height | 3.1 |
| NetWeight | 0.06 |
| Brand | PEAK |
| Model | PK-X55 |
| Product Type | Wireless Bluetooth Earphones |
| Colors Available | Skin Color, Black |
| Bluetooth Version | 5.4 |
| Distortion | ≤5% |
| Effective Range | Approximately 10 meters |
| Signal-to-Noise Ratio (SNR) | ≥55dB |
| Frequency Response | 20Hz - 20kHz |
| Usage Time |
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| Approximately 180 minutes (earphones) |
| Microphone Sensitivity | -42dB ± 3dB |
| Water and Dust Resistance | IP55 |
| Directional Sound Transmission Technology | Special cavity design enhances standing wave frequency for efficient sound transmission without leakage. |
| Master-Level Sound Quality | Includes bass compensation algorithm and dynamic bass enhancement with two sound modes—Classic and Bass Boost. |
| Ergonomic Half-Ear Design | Lightweight, skin-friendly liquid-cooled ABS material that is antibacterial (99.9% antibacterial rate), comfortable for long wear without ear fatigue, and stable fit with ear-hook structure for secure wear during vigorous activities. |
| Quick and Convenient Wearing | One-second ear-hook design allows easy and secure fitting, enabling awareness of external sounds for safer outdoor use. |
| Bluetooth 5.4 Advantages | Clear calls without lag, low power consumption, ultra-low latency (0.08s), and stable transmission up to 10 meters. |