Apple-Compatible Spatial Audio TWS Earbuds

The apple-compatible spatial audio tws earbuds is engineered for brands seeking a mature, high-fidelity tws earbud solution with seamless apple ecosystem integration. Designed around an advanced bluetooth soc architecture supporting dual-mode transmission, it features hardware-level low-latency spatial audio, dynamic head-tracking algorithms, and next-generation bluetooth le audio / auracast readiness, matching cutting-edge ios and multi-stream audio standards.

Supplied directly from our ISO9001-certified manufacturing facility, this model is available for full OEM/ODM customization, including OTA firmware flashing, custom acoustic tuning, and private-label enclosure tooling.

Primary Application: Mobile entertainment, multi-device mobile communication, and active commuting.

Form Factor: In-ear stem design with ergonomic acoustic cavity.

Execution Model: OEM / ODM / Contract Manufacturing (MOQ: 1,000 pcs per color/logo).

 

 

Parameter Category	Technical Specification
Bluetooth Architecture	Bluetooth 5.3 SoC (Supports LE Audio, Auracast, BLE / EDR)
Audio Processing	Hardware-level spatial audio rendering & dynamic head tracking
Acoustic Driver	13mm Composite Diaphragm Dynamic Driver
Frequency Response	20 Hz - 20 kHz
Noise Cancellation	Hybrid Active Noise Cancellation (ANC up to -35dB) + ENC Dual-Mic Call Noise Reduction
Supported Codecs	AAC, SBC, LC3 (LE Audio compliant)
Battery Capacity	Earbuds: 35mAh each / Charging Case: 400mAh (with integrated protection IC)
Playback Time	Up to 6 hours (ANC OFF) / Total 24 hours with charging case
Charging Interface	USB Type-C (Supports 5V/1A input) / Optional Qi Wireless Charging
Ingress Protection	IPX4 (Sweat and splash resistant)
Compliance	CE, FCC, RoHS, BQB, REACH, WEEE

 

 

Native Ecosystem Integration: Compatible with iOS device audio routing, instantaneous pairing pop-ups (via custom firmware), and synchronized spatial sound staging.

LE Audio & Auracast Readiness: Supports next-generation LE Audio streaming (LC3 codec) for ultra-low latency and public broadcast audio sharing capabilities.

Low-Latency Synchronization: Utilizes a dual-channel transmission protocol to maintain audio-video sync under 50ms, optimized for mobile gaming and video streaming.

Acoustic Architecture: Custom-tuned 13mm dynamic drivers with high-rigidity diaphragms minimize total harmonic distortion (THD < 0.5% at 1kHz) for balanced bass and clear vocal reproduction.

Environmental Adaptation: 3-microphone beamforming array per earbud executes real-time ambient noise filtering for clear voice transmission in windy or crowded environments.

Smart Wear Detection: Capacitive in-ear sensors automatically pause playback upon removal and resume upon re-insertion.

 

 

Engineered for integration into diverse retail and distribution channels:

 

 

Cell Chemistry: High-density lithium-ion polymer batteries sourced from audited tier-1 suppliers.

Circuit Protection: Integrated hardware protection ICs prevent over-voltage, over-current, and short-circuit faults.

Charging Metrics:

• Earbuds charge time: Approx. 50 minutes from 0% to 100%.
• Charging case charge time: Approx. 90 minutes via USB Type-C.
• Cycle Life: Retains >= 80% original capacity after 500 standard charge-discharge cycles at 25 deg C.

 

 

We provide end-to-end contract manufacturing services tailored to brand specifications:

Hardware & Firmware Customization: Custom boot logos, pairing names, EQ sound signature pre-sets, and touch-control gesture mapping via secure OTA (Over-The-Air) firmware flashing tools.

Industrial Design & Tooling: Custom injection molding for housing shells, specialized surface finishes (matte UV coating, metallic electroplating, rubber oil paint), and color matching via Pantone codes.

Acoustic Tuning: In-house anechoic chamber testing to re-curve frequency responses based on target market preferences (e.g., Harman target curve adjustments).

 

 

Manufactured in our audited ISO-certified manufacturing facility, backed by strict process controls:

SMT & Assembly Lines: High-speed SMT lines and modular final assembly lines ensuring stable monthly capacity.

Incoming Material Inspection (IQC): 100% spectral analysis of drivers and battery capacity verification using multi-channel battery testers.

In-Process Quality Control (IPQC):

• Electro-acoustic testing: Frequency response, phase consistency, and sensitivity on professional acoustic testing systems.
• RF signal testing: RF signal strength and transmission distance calibration in shielded boxes.

Reliability Testing Lab:

• Drop Test: 1.2-meter drop test onto hardwood flooring (6 faces, 2 cycles).
• Hinge Durability Test: Charging case lid tested for 10,000 open/close cycles.
• Environmental Chamber: Operating temperature resilience from -10 deg C to 55 deg C at 95% RH.
• Outgoing Quality Assurance (OQA): AQL 1.0/2.5 sampling inspection prior to master carton palletization.

 

 

Standard Export Packaging:

Retail box: Recyclable greyboard box with EVA foam inner tray, anti-static polybag, and security seal.

Master carton: 5-layer corrugated cardboard box containing 100 units. Carton dimensions: [Insert actual carton dimensions in cm], Gross Weight: approx. [Insert actual weight in kg] kg.

Logistics & Documentation: Full support for FOB, CIF, EXW, and DDP shipping terms. Complete provision of MSDS reports for air/sea battery transport, commercial invoices, packing lists, and Certificates of Origin (CO/Form E).

 

 

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