| Specification | Detail |
| Model | MKB S2 Pro |
| Earphone Type | True Wireless In-Ear (TWS) |
| Bluetooth Version | Bluetooth 5.3 |
| Communication Distance | Up to 10 meters (without obstacles) |
| Frequency Response Range | 20 Hz – 20,000 Hz |
| Noise Cancellation | Environmental Noise Cancellation (ENC) for Calls |
| Earphone Battery Capacity | 30 mAh / 0.111 Wh (each earphone) |
| Charging Case Battery Capacity | 300 mAh / 1.48 Wh |
| Music Playback Time (Single Charge) | Approximately 4 hours (at 70% volume) |
| Total Playback Time (with Case) | Approximately 18 – 22 hours |
| Charging Time | Approximately 1.5 hours |
| Charging Interface | USB Type-C |
| Earphone Rated Input | DC 5V ⎓ 30 mA |
| Charging Case Rated Input | DC 5V ⎓ 250 mA |
| Display Feature | Digital LED Battery Level Display |
| Material | ABS + PC |
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