---
title: "Portable Bluetooth Noise-Cancelling Headphones"
industry: "Manufacture of Consumer Electronics"
verification_protocol:
  urn: "URN:CNFX:ME:PORTABLE_BLUETOOTH_NOISE_CANCELLING_HEADPHONES"
  data_integrity_hash: "125303537c1f55a12e3fc95875f23380"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:PORTABLE_BLUETOOTH_NOISE_CANCELLING_HEADPHONES"
  data_source_uri: "https://cnfx.com/llms/industry/manufacture-consumer-electronics/product/portable-bluetooth-noise-cancelling-headphones.md"
  official_resource_url: "https://cnfx.com/industry/manufacture-consumer-electronics/product/portable-bluetooth-noise-cancelling-headphones"
  is_verified_logic: true
attributes:
  battery_life:
    status: "config-dependent"
    typical_range: "85-110 dB SPL (sound pressure level) at 1 kHz"
    unit: "hours"
  noise_cancellation_depth:
    status: "config-dependent"
    typical_range: "85-110 dB SPL (sound pressure level) at 1 kHz"
    unit: "dB"
engineering_limits:
  max_safe_operating_point:
    value: 130
    unit: "dB"
    consequence: "Piezoelectric driver diaphragm rupture due to mechanical stress exceeding Young's modulus of PET film (2.8-4.1 GPa) at resonant frequency (typically 1-5 kHz)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Li-ion battery overcharge beyond 4.25V/cell"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrated protection circuit with voltage cutoff at 4.20V ±0.05V and PTC thermistor"
  - node_2:
      trigger: "Bluetooth RF interference at 2.402-2.480 GHz overlapping industrial ISM bands"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Adaptive frequency hopping with 79 channels and forward error correction coding"
bom_nodes:
  acoustic-driver:
    type: "part"
    urn: "URN:CNFX:ME:ACOUSTIC_DRIVER"
    interface_type: "physical-logic-coupled"
  anc-microphone-array:
    type: "part"
    urn: "URN:CNFX:ME:ANC_MICROPHONE_ARRAY"
    interface_type: "physical-logic-coupled"
  bluetooth-module:
    type: "part"
    urn: "URN:CNFX:ME:BLUETOOTH_MODULE"
    interface_type: "physical-logic-coupled"
  battery-pack:
    type: "part"
    urn: "URN:CNFX:ME:BATTERY_PACK"
    interface_type: "physical-logic-coupled"
  ear-cushions:
    type: "component"
    urn: "URN:CNFX:ME:EAR_CUSHIONS"
    interface_type: "physical-logic-coupled"
  headband-assembly:
    type: "part"
    urn: "URN:CNFX:ME:HEADBAND_ASSEMBLY"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "IEC 62368-1:2018 - AUDIO/VIDEO, INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT SAFETY"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING - EU DIRECTIVE 2014/35/EU (LOW VOLTAGE DIRECTIVE) AND 2014/30/EU (EMC DIRECTIVE)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/manufacture-consumer-electronics/product/portable-bluetooth-noise-cancelling-headphones.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "88e73246a2a0bfc4da97ed2dfdb6107e03fcafa61683e2159ff7681fa6e84e3a"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Portable Bluetooth Noise-Cancelling Headphones

## 1. Technical Definition
Wireless personal audio device with active noise cancellation for immersive listening

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **85-110 dB SPL (sound pressure level) at 1 kHz**. Failure boundary: **130 dB SPL continuous exposure or 150 dB SPL instantaneous peak**, Mechanism: **Piezoelectric driver diaphragm rupture due to mechanical stress exceeding Young's modulus of PET film (2.8-4.1 GPa) at resonant frequency (typically 1-5 kHz)**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Li-ion battery overcharge beyond 4.25V/cell | 8 | Electrolyte decomposition and thermal runaway at 80°C | Integrated protection circuit with voltage cutoff at 4.20V ±0.05V and PTC thermistor |
| Bluetooth RF interference at 2.402-2.480 GHz overlapping industrial ISM bands | 8 | Bit error rate exceeding 10^-3 causing audio dropout | Adaptive frequency hopping with 79 channels and forward error correction coding |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| battery_life | Config-dependent | hours | Verified |
| noise_cancellation_depth | Config-dependent | dB | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Acoustic Driver](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/acoustic-driver.md) `(Standalone System)`
- [ANC Microphone Array](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/anc-microphone-array.md) `(Standalone System)`
- [Bluetooth Module](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/bluetooth-module.md) `(Standalone System)`
- [Battery Pack](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/battery-pack.md) `(Standalone System)`
- [Headband Assembly](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/headband-assembly.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **SMT Pick-and-Place Machine**, **Automated Assembly Line**, **Acoustic Testing Chamber**  
**Downstream Applications**: Consumer Headphones, Gaming Headsets, Professional Audio Monitors  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: How long does the battery last on these noise-cancelling headphones?
**A**: The lithium-ion polymer battery provides up to 30 hours of playback with noise cancellation enabled, and a quick charge feature gives 5 hours of use from just 15 minutes of charging.

### Q: What materials are used in the ear cushions and headband?
**A**: The ear cushions are made with premium memory foam wrapped in soft polyurethane for comfort, while the headband assembly uses durable ABS plastic with padded polyurethane for extended wear.

### Q: How effective is the active noise cancellation technology?
**A**: Our ANC microphone array actively monitors and cancels ambient noise across a wide frequency range, reducing background sounds by up to 95% for truly immersive listening experiences in various environments.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- IEC 62368-1:2018 - AUDIO/VIDEO, INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT SAFETY
- CE MARKING - EU DIRECTIVE 2014/35/EU (LOW VOLTAGE DIRECTIVE) AND 2014/30/EU (EMC DIRECTIVE)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Portable Bluetooth Noise-Cancelling Headphones](https://cnfx.com/industry/manufacture-consumer-electronics/product/portable-bluetooth-noise-cancelling-headphones)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **6** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: PORTABLE_BLUETOOTH_NOISE_CANCELLING_HEADPHONES | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 7aeec3ed
