How much does this cost to the nearest dollar?

MUNBYN NFC Digital Price Tag Electronic Shelf Label, E-Paper E-Ink Display, 5 Years Service Life, Price Label for Retail, ESL Edge Labeling System, with Software NFC Label for Android/iOS
✅ Leading Tech & User-friendly This digital label can be changed by NFC identification on the software NFC Label, which easily downloads from Play Store. Ideal for retailing if you need to change prices frequently. The label can be changed for above 100K times, with no need for ink or ribbon, cost-effective and environmental. About plenty of information change, with Zigbee 2.4G gateway base, easily realized to remotely change the label's information in bulk. ✅ Digital Label MUNBYN digital price tags are ideal for the growing enterprise, widely

Price is $23.00
Price: $22.99