| Specification | Details |
| Brand | Hoco |
| Model | W37 (Sound Active Noise Reduction) |
| Headphone Type | Over-Ear Wireless Headphones |
| Active Noise Cancellation (ANC) | Yes (Noise reduction depth $\ge$ 20 dB with independent switch) |
| Driver Diameter | 40 mm |
| Frequency Response | 20 Hz – 20,000 Hz |
| Impedance | 32Ω ± 15% |
| Sensitivity | 98 dB ± 3 dB |
| Bluetooth Version | Bluetooth 5.3 |
| Bluetooth Chipset | Jerry (JL) AC7006 |
| Supported Protocols | A2DP, AVRCP, HSP, HFP |
| Transmission Range | Up to 10 meters |
| Battery Capacity | 500 mAh |
| Playback / Call Time (ANC Off) | Up to 46 hours |
| Playback / Call Time (ANC On) | Up to 33 hours |
| Standby Time | Up to 120 hours |
| Charging Time | Approx. 2 hours |
| Audio Input Modes | Bluetooth, 3.5 mm AUX |
| Dimensions | 200 × 145 × 78 mm |
| Weight | 143 g |
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