Official Digital Manual

Ultimate Screen Cast Assistant

Master your High-Def USB-C to HDMI connection. Seamlessly connect iPhone 15 & newer, Switch, and Laptops to 4K displays.

Connection Topology

START TV / Projector Output HDMI Input (Rear) Jemdo Hub START Source Device (for iPhone/Switch) Type-C Port PD Charger

Note: For Nintendo Switch, you MUST connect the original charger or a Jemdo-compatible charger to the PD port (Yellow Lightning Icon).

Connect Device

Connect the USB-C end to your Nintendo Switch, iPhone 15 & newer, or Laptop.

Support Center

Quick solutions for common scenarios.

Firmware Upgrade Notice

Recommended for iPhone 15 & newer & Switch OLED users to ensure stability.

Check Version

Downloads

Disclaimer:
1. This product is an independent third-party accessory and is not manufactured, sponsored, or endorsed by Nintendo, Apple, or other device manufacturers.
2. Firmware updates are provided by upstream suppliers; Jemdo is not responsible for unauthorized distribution or modification.
3. Trademarks (e.g., Switch, iPhone) belong to their respective owners and are used for compatibility description purposes only.

Designed for JEMDO