Reinkstone’s 4-color e-ink case transforms your phone’s back into a vibrant, dynamic display. With cyan, magenta, yellow, and black hues, it offers real-time updates via NFC—no batteries or cables needed. Display photos, to-do lists, or QR codes effortlessly. Wrapped in tempered glass and durable Bayer TPU, it blends sleek aesthetics with robust protection, redefining phone cases. Learn More!
