Add to favorites
riversmerge RFID Rewritable Dual Frequency in One ID T5577&IC CUID Black Ceramics Smart Finger Ring Wear for Men or Women (Black-21mm) — Open-Box, 39% Off
Brand: riversmerge
Condition: Used
$2079
$3388
-39% Save $1309
Updated: 15 hours 44 mins ago
Description
1.There are 2 chips in the ring, one is ID T5577, another one is IC CUID.
2.ID T5577 chip is blank, it can not be used without written or copy.
3.IC CUID chip is pre-programmed, you can directly authorize it to work if you are administrator. You can also use it to copy your old IC card. If you have android NFC phone, you can copy your old card IC card without a copier.
4.Both ID and IC use 360-degree omni-directional sensing technology, the sensing effect is much higher than similar products in the market.
5.Our ring is made of zirconia ceramic material, which is very comfortable to wear.
Product details:
Chip: Dual chip T5577+CUID
Frequency: ID&IC
Inner diameter of ring: 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm
Color: Black
Material: zirconia cormic + epoxy
2.ID T5577 chip is blank, it can not be used without written or copy.
3.IC CUID chip is pre-programmed, you can directly authorize it to work if you are administrator. You can also use it to copy your old IC card. If you have android NFC phone, you can copy your old card IC card without a copier.
4.Both ID and IC use 360-degree omni-directional sensing technology, the sensing effect is much higher than similar products in the market.
5.Our ring is made of zirconia ceramic material, which is very comfortable to wear.
Product details:
Chip: Dual chip T5577+CUID
Frequency: ID&IC
Inner diameter of ring: 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm
Color: Black
Material: zirconia cormic + epoxy
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b0b3d8y766
- Model:
- ring-5
- Country:
- US
- ASIN:
- B0B3D8Y766
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $13 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for riversmerge products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.
More open-box deals
Updated daily from Amazon, Reebelo, and Dyson.
![SAMSUNG Galaxy Ring, AI Smart Ring, Size First w/Sizing Kit, No App Subscription, Fitness Monitor, Sleep Tracker, Up to 7-Day Battery, Size 5, Titanium Gold [US Version, 1Yr Manufacturer Warranty] by Samsung - Used condition - US$95.96](https://m.media-amazon.com/images/I/41R1PkmCQxL._SX600_.jpg)
![SAMSUNG Galaxy Ring, AI Smart Ring, Size First w/Sizing Kit, No App Subscription, Fitness Monitor, Sleep Tracker, Up to 7-Day Battery, Size 5, Titanium Black [US Version, 1Yr Manufacturer Warranty] by Samsung - Used condition - US$139.99](https://m.media-amazon.com/images/I/41yeMGRws6L._SX600_.jpg)
![SAMSUNG Galaxy Ring, AI Smart Ring, Size First w/Sizing Kit, No App Subscription, Fitness Monitor, Sleep Tracker, Up to 7-Day Battery, Size 11, Titanium Silver [US Version, 1Yr Manufacturer Warranty] by Samsung - Used condition - US$199.95](https://m.media-amazon.com/images/I/41ILlTxUYDL._SX600_.jpg)
![SAMSUNG Galaxy Ring, AI Smart Ring, Size First w/Sizing Kit, No App Subscription, Fitness Monitor, Sleep Tracker, Up to 7-Day Battery, Size 10, Titanium Black [US Version, 1Yr Manufacturer Warranty] by Samsung - Used condition - US$213.91](https://m.media-amazon.com/images/I/41DV-XjWrIL._SX600_.jpg)