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Connections guideHeadphones
NB-2040
KO-STAR NB-2040 ANC Wireless Headphones
- 5.3
- Bluetooth
$59.60
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Specifications
Based on this model’s published product information.
- Model
- NB-2040
- Bluetooth
- 5.3
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Product Information
Model Number NB-2040
Key Specifications/ Special Features:
Detailed product parameters:
Bluetooth Version: 5.3
1.Driver unit: 40mm
2.Sensitivity: 97dB±3dB
3.Impedance: 32Ω
4.Frequency: 20Hz-20KHz
5.Active cancellation: up to 30dB
6.Operation distance: 10m
7. Power: 3.7V 400mah
8. Continuous working time: 30 hours (ANC ON)
9. Charging time: 1.5 h
10. Standby more than 300 h
11.Type C charging cable
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Dispatched from China, with international transit and local delivery.
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