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| Management number | 218475712 | Release Date | 2026/05/03 | List Price | $28.80 | Model Number | 218475712 | ||
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| Color | Black |
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| Impedance | 8 Ohms |
| Brand Name | LOBKIN |
| Model Name | X21 |
| Style Name | Modern |
| Unit Count | 1.0 Count |
| Sensitivity | 100 dB |
| Control Type | Button Control |
| Manufacturer | LOBKIN |
| Model Number | X21 |
| BuiltIn Media | Swimming Headphones, User Manual |
| Noise Control | None |
| Control Method | Push Button |
| Earpiece Shape | Hook |
| Headphone Jack | Without Jack |
| Bluetooth Range | 10 Meters |
| Controller Type | Button |
| Number of Items | 1 |
| Antenna Location | Swimming |
| Audio Driver Type | Bone Conduction Driver |
| Bluetooth Version | 5.4 |
| Compatible Devices | Cellphones |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS) |
| Frequency Response | 20 KHz |
| Additional Features | Fast Charging, Lightweight, Waterproof |
| Battery Charge Time | 2 Hours |
| Wireless Technology | Bluetooth |
| Battery Average Life | 10 Hours |
| Age Range Description | Adult & Teen |
| Water Resistance Level | Waterproof |
| Connectivity Technology | Wireless |
| Headphones Ear Placement | Open Ear |
| Specific Uses For Product | Swimming |
| Headphone Folding Features | Open Ear |
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