01. Contact Us
Join the CR4
Community
We’re always happy to hear from you!
At CR4 (Circle Radiant with 4 ways to radiate quality!) we value every customer and partner.
Whether you have a question about your order, need product support, or just want to share feedback — our team is ready to help.
Our Promise
We believe great products deserve great support. If you ever experience an issue, have a question, or simply want to share your CR4 experience — we’re just a call or message away.
We believe great products deserve great support. If you ever experience an issue, have a question, or simply want to share your CR4 experience — we’re just a call or message away.
Responses within 1–2 business days
SUPPORT
Liven Geo
Support
FAQs
Learn more from FAQs
General Ask
Do I need Wi-Fi?
No. It’s a direct point-to-point wireless HDMI link.
Does it work with iPhone?
Yes — iPhone 15 and newer via USB-C video out (adapter included). Older Lightning-port iPhones are not supported for video out.
Can it connect to cameras or Raspberry Pi?
Yes. Mini/Micro HDMI adapters are included for popular camera boards and compact devices.
Gaming?
Great for casual/party use and large-screen mirroring. For competitive gaming that demands 1:1 wired latency, a cable is still recommended.