High-Quality Bluetooth 5.4 Wireless Earbuds with Ipx4 Protection Feature

Product Description

Specification

Trademark	Yiwan
Country of Origin	China
Brand	Yiwan
Product Models	Gen2, Gen3, Gen4, Pro2, Pro3, Max
Colors	White, Black, Silver, Space Grey, Red, Blue
Connectivity	Wireless, Bluetooth 5.3
Features	Waterproof, Active Noise-Cancelling, Spacial Audio, etc.
Port Type	USB Type-C, Lightning
Packaging	Paper Packaging, Paper Carton

Product Description

Standard Series: Basic & Everyday
Gen2: Lightweight, ultra-thin, open-ear design for comfort.
Gen3: Features Adaptive EQ to tune sound to ear shape.
Gen4: Bluetooth 5.3 and Personalized Spatial Audio.
Pro Series: Specialized Functions
Pro2: Active Noise Cancelling (ANC) and USB-C charging.Buds3Pro: Dual-driver bass; IP57-rated (washable/sweat-resistant).
FitPro: Secure wingtip design for sports with built-in ANC.
PowerBeatsPro2: Over-ear hooks, 9-hour battery, and physical buttons.
StudioBuds: Compact, anti-fingerprint case with hands-free support.
Pro3: The Hybrid Option
A non-silicone design offering premium features like Spatial Audio and Adaptive EQ.

Audio: High-excursion drivers for clear, balanced sound.
Controls: Force sensors on the stem for calls and media.
Build: IPX4 water resistance; 30-hour total battery life.

Packaging & Shipping

1. Packaging Layers
Primary (Gift Box): Uses 100% virgin polymers or eco-friendly cardboard with custom inserts to prevent internal movement.
Secondary (Inner Carton): Groups units (usually 5–10) to provide a moisture barrier and additional structural reinforcement.
Tertiary (Master Carton): Employs 5-ply K=K corrugated board for maximum burst strength and protection against "crush" forces during export.

2. Technical Protections
Moisture Control: Inclusion of silica desiccant to protect copper wiring and acoustic diaphragms from humidity.
Shock Absorption: Corner protectors and reinforced edges within the master carton to survive international transit.

3. Transportation & Compliance
Battery Safety: All shipments require UN38.3 and MSDS certification for the safe transport of lithium-polymer cells.
Drop Testing: Cartons must pass a standard "1A" drop test to ensure the earphones remain functional after physical accidents.
Logistics: Products are palletized and shrink-wrapped for sea or air freight to prevent shifting or water ingress.

Company Profile

FAQ

Q: What is the history of your manufacturing facility?
Our company was established in Guangdong as a specialized workshop to provide high-quality audio for users with specific ergonomic and acoustic needs.
We spent years in the "special needs" sector, where precision is mandatory and there is no room for error.
 
Q: How do your trending models differ from competitors' products?
While many factories replicate the look of famous models using cheap components, we apply specialized engineering standards to these universal designs.
We use high-sensitivity drivers to prevent the low volume issues common in "mimic" products.
Our facility invests in high-tier, certified silicon to ensure a stable wireless connection without the drop-outs or lag found in budget alternatives.
Every advertised feature, such as touch controls or smart sensors, is fully functional and rigorously tested.
 
Q: What materials are used in your earphone construction?
We use only 100% virgin polymers, avoiding the brittle "regrind" plastic used by competitors to ensure a premium, durable finish.
The internals feature high-quality copper wiring and composite diaphragms to prevent a "tinny" sound.
Our batteries are high-density lithium-polymer cells designed for consistent playback and long-term health.
 
Q: How does your company address environmental responsibility?
We focus on product longevity; the most effective way to be "green" is to make a product that lasts.
Our facility uses bio-based plastics and recycled resins that offer lower environmental impact without compromising durability.
Packaging is made from recycled cardboard and biodegradable soy-based inks, eliminating unnecessary plastic.
 
Q: What is your quality control (QC) process?
Every single unit is individually tested in an acoustic chamber to ensure it meets our frequency response standards.
Components are verified for purity and voltage stability before assembly begins.
Samples undergo stress testing in extreme humidity and temperature changes, along with physical drop tests.
A final aesthetic hand-inspection is performed on each unit to check for surface defects before packing.