| Specification | Details |
| Product Type | True Wireless Earbuds (TWS) |
| Model | TWS NB2 |
| Driver Unit | 10mm Dynamic Driver with Composite Diaphragm |
| Noise Cancellation Technology | Hybrid Active Noise Cancellation (ANC) |
| Bluetooth Version | Bluetooth 5.0 |
| Supported Bluetooth Profiles | A2DP, AVRCP, HFP, HSP |
| Audio Codecs | SBC |
| Frequency Response | 20 Hz – 20,000 Hz |
| Impedance | 24 Ω |
| Sound Pressure Level / Sensitivity | 94 ± 3 dB(A) |
| Wireless Antenna Type | LDS Laser-Carving Antenna |
| Maximum Wireless Range | Up to 10 meters / 33 feet (without obstacles) |
| Microphone System | Dual-Mic Noise Cancellation for Clear Calls |
| Ingress Protection (Waterproof) | IP54 Dust and Water Resistance |
| Low Latency Gaming Mode | 80ms |
| Smart In-Ear Detection | Infrared Wearing Sensor (Auto Play/Pause) |
| Connectivity Modes | Master-Slave Switch (Independent Mono or Stereo Use) |
| Earbud Power Input | DC 5V ⎓ 60mA |
| Charging Case Power Input | DC 5V ⎓ 1A |
| Playtime (ANC On) | Up to 7 Hours (Earbuds) + 18 Hours (Charging Case) |
| Playtime (ANC Off) | Up to 9 Hours (Earbuds) + 23 Hours (Charging Case) |
| Earbud Charging Duration | Approximately 1 Hour |
| Case Charging Duration | Approximately 2 Hours via USB Type-C |
| Companion App Compatibility | Edifier Connect App |
| Charging Case Charging Port | USB Type-C |
| Charging Case Dimensions | 66.5 mm x 54.5 mm x 30.4 mm |
| Total Net Weight | 54 grams |
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