TWS Pogo Pins

Applications & Functions

Our TWS pogo pins (spring-loaded charging pins) are ultra-miniature, high-reliability electrical connectors specifically engineered for True Wireless Stereo (TWS) earbuds and their charging cases. Installed in the charging cradle and on the earbuds themselves, these pogo pins establish a stable and instant connection for power charging and data transmission (such as firmware updates or pairing signals) whenever the earbuds are docked.

They are widely used in modern smart wearable and micro-electronic devices:

• TWS Earbuds & Charging Cases: The primary standard charging interface for sports earbuds, noise-canceling headphones, and wireless earplugs.

• Smart Wearable Devices: Widely utilized in smartwatches, fitness trackers, smart rings, and smart glasses for secure, low-profile power delivery.

• Micro Charging Docks: Ideal for magnetic desktop charging docks, handheld medical devices, and portable Bluetooth speakers.

• IoT & Compact Sensors: Perfect for compact smart home sensors and GPS tracking tags requiring minimal space-saving connections.

Outstanding Product Features

• Ultra-Miniature & Space-Saving: Designed with an extremely compact footprint, allowing hardware engineers to maximize PCB space inside sleek, lightweight earbuds.

• Thick Gold Plating & Sweat Corrosion Resistance: Featuring heavy gold plating (up to 30 micro-inches) over a multi-layer nickel underplate, protecting the contacts against sweat, oxidation, and electrolysis in daily outdoor and sports use.

• Stable Low Contact Resistance: Engineered with a precision internal structure to maintain exceptionally low contact resistance (less than or equal to 30 mΩ), ensuring efficient and fast charging.

• High Lifecycle Durability: Utilizing high-tensile internal springs, these micro pogo pins are rated for over 100,000 compression cycles without spring fatigue or stickiness.

• Perfect SMT Assembly Compatibility: Precision machined with flat-bottom barrels and packaged in tape-and-reel, optimized for high-speed automated pick-and-place and reliable reflow soldering.

Why Choose Us? 10+ Years CNC Machining Expertise

We are an all-around direct source manufacturer  with over 10 years of professional CNC machining and micro-precision metal component manufacturing experience.

• Direct Factory Price Advantage: Source directly from our manufacturing workshop to eliminate trading margins and maximize your procurement cost efficiency.

• All-Around Hardware Processing: As an all-around metal fabrication factory, we are highly experienced in processing diverse high-conductivity metals, including brass, phosphor bronze, beryllium copper, and stainless steel.

• Bespoke OEM/ODM Customization: We customize micro-connectors to match your exact CAD/3D drawings. You can customize pin diameters, overall heights, stroke lengths, spring force specifications, and gold-plating thickness.

• Advanced Micro-CNC Turning: Our facility is equipped with state-of-the-art Swiss-type automatic CNC lathes and multi-axis grinding equipment to guarantee ultra-tight dimensional accuracy (up to +/-0.005 mm) and absolute concentricity.

• Strict Quality Inspection: Every production batch undergoes rigorous spring tension testing, contact resistance measurement, gold plating thickness analysis (XRF), and solderability verification.