<p>Type-C Charging Convenience: Convert your for 4-pin charging interface to Type-C, enabling universal compatibility with modern Type-C cables, power , or laptops for on-the-go charging.</p> <p>Emergency Power Supply: Use any Type-C power source (e.g., phone charger, portable battery) to charge your DI2 electronic transmission system during rides, ensuring no downtime.</p> <p>Perfect Compatibility: Designed for 12-speed EW-EC300 and DI2 systems (R9200\/R8100\/R7100 series), seamlessly integrates with official accessories.</p> <p>Compact \u0026 Portable: Ultra-small design (0.4inch\/10mm connector) for easy storage in bike bags or pockets. Ideal for travel, races, or long-distance cycling.</p> <p>Stable \u0026 Safe: Reinforced 4-pin interface ensures secure connection and charging stability. Built-in safeguards prevent overheating and short circuits.</p> <p>Colour:Black</p> <p>Material:Plastic</p> <p>Package Contents:</p> <p>1 x Portable Di2 Charger Adapter(The words on the product due to different product batches, but it not affect the use)</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>