The JCONLY Epoch R4 is here — and it might just be the best wireless tattoo liner of 2025. After 4 weeks of testing, I’m breaking down everything you need to know about this machine, from its custom LED ring to real-world tattoo performance.

In this full hands-on review:
Full unboxing experience
5.0mm stroke review for bold, clean lines
Auto-run mode demo
Battery life, modes, and customization options
Pros, cons, and real-world verdict after daily use

If you're considering an upgrade from the R3 or just want one of the most reliable wireless machines on the market, this review is for you.