Joyroom Sy C03 Audio Transfer Series 2 In 1 Audio Adapter Type C To Dual...
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Here is the clean, consolidated, and accurate specification sheet for the Edifier W820NB Hybrid Active Noise Cancelling Headphones, compiling all major hardware features, audio technologies, and operational parameters into a single unified table.
| Specification | Details |
| Product Type | Over-Ear Wireless Headphones |
| Model | W820NB |
| Driver Configuration | 40mm Dynamic Driver with Titanium Diaphragm |
| Audio Certification | Hi-Res Audio Certified |
| Noise Cancellation Technology | Hybrid Active Noise Cancellation (ANC) |
| Noise Reduction Depth | Reduces noise by up to 38dB |
| Bluetooth Version | Bluetooth V5.0 |
| Supported Bluetooth Profiles | A2DP, AVRCP, HFP |
| Audio Codecs | SBC |
| Frequency Response Range | 20 Hz – 40,000 Hz |
| Impedance | 32 Ω |
| Sound Pressure Level / Sensitivity | 91 ± 3 dB SPL (A) |
| Microphone System | Built-in Microphone with DNN (Deep Neural Network) Call Noise Cancellation |
| Dedicated Audio Modes | Active Noise Cancellation, Ambient Sound Mode, Game Mode |
| Low Latency Gaming Performance | Latency as low as 80ms in Game Mode |
| Wired Connectivity Option | Audio over wired USB Type-C connection |
| Battery Capacity | 400 mAh |
| Playtime (ANC On) | Up to 29 Hours (varies by volume level and audio content) |
| Playtime (ANC Off) | Up to 49 Hours (varies by volume level and audio content) |
| Charging Port Interface | USB Type-C |
| Power Input Interface | DC 5V ⎓ 1A |
| Full Charging Duration | Approximately 1.5 Hours |
| Companion App Compatibility | Edifier Connect App |
| Net Weight | Approximately 220 grams |
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