An adjustable ring changes through a defined mechanism; fixed rings are selected in separate sizes. Neither format removes the need to check the model’s fit instructions. Compare the electric chastity range by the stated adjustment range, how the ring connects to the cage and which ring or ring set is included in your chosen configuration.
Identify the ring adjustment mechanism
“Adjustable ring” can mean a built-in snap mechanism, a specified diameter range, or simply that a product offers several fixed-size rings. These are different fit choices. Start by finding the mechanism in the selected listing, then record its documented limits. No adjustable label promises an unlimited range or fit for every wearer.
Use the existing sizing guide for how to take measurements. This article compares product architectures and deliberately avoids an exposed-body measuring illustration or a universal size prescription.
An adjustable snap-ring model
QIUI CAGINK Pro Cellmate 3 describes an adjustable snap-ring system. The snap structure changes how its ring setting is chosen, but it does not make cage length, lock design or included parts automatically adjustable. Review the current Cellmate 3 chart for the actual range and how the selected cage version works with it.
Do not transfer Cellmate 3 measurements to Cellmate 2 or another QIUI device. Confirm the exact generation and instructions. A mechanical setting can also require deliberate adjustment and testing before a planned use; it is not a substitute for understanding release.
QIUI CAGINK Pro Cellmate 3 App-Controlled Smart Chastity Cage

Cellmate 3 is the snap-ring example. Check the current generation chart and selected cage rather than assuming every adjustable-ring product shares its mechanics. See the product details and confirm the selected option before ordering.
A listed adjustable-range control-box set
The remote-controlled E-Stim set with separate control box gives an explicit adjustable ring range of 35–52 mm. This is useful if your measurement falls within the documented range and you prefer that control-box layout. It is not evidence that a 60 mm ring can be achieved, nor that every point in the range will suit every person.
Read the supplied adjustment method and package list. The set’s electronics, battery requirement and control box are separate purchase considerations from its ring range. Confirm whether batteries are included rather than assuming a complete photographed set is powered out of the box.
Remote-Controlled E-Stim Chastity Cage with Adjustable Ring and Control Box

This control-box set states a 35–52 mm adjustable range. That explicit limit is useful for comparing options, but it cannot be stretched into a larger fit claim. See the product details and confirm the selected option before ordering.
A fixed-size selection with several options
Black Mamba takes another route: select a ring diameter from 38, 40, 45, 50, 55 or 60 mm. These are offered fixed-size options, not a continuously adjustable ring. One selected variation may contain one ring; six selectable diameters do not imply six included rings.
The cage itself has XS–XL options. Treat cage and ring as separate choices, then verify the actual dimensions for the chosen configuration. Do not infer that a fixed option is less safe or less comfortable than an adjustable mechanism; the individual fit and documented parts decide.
Compare fit choices without a universal size rule
Use this non-illustrated worksheet to compare what each listing actually lets you select.
| Model | Ring mechanism | Boundary to verify |
|---|---|---|
| Cellmate 3 | Adjustable snap ring | Current generation’s chart and chosen cage |
| Control-box set | Adjustable 35–52 mm range | Adjustment method and included parts |
| Black Mamba | 38/40/45/50/55/60 mm selections | Chosen ring and cage variant |
Record your measurement separately from the product choices, and stop if the documented range or option does not cover it. Consult the relevant device instructions; no chart here is a medical-fit determination.
Black Mamba Remote-Controlled E-Stim Chastity Cage

Black Mamba offers selectable fixed ring diameters up to 60 mm. Verify the one chosen for the order; the menu of six options is not a promise of six rings in one package. See the product details and confirm the selected option before ordering.
Choose a documented mechanism and an actual selected size that meet your measurements. “Adjustable” is a description of hardware, not a guarantee about personal comfort or suitability.