Sublue Discount Code WAVEMAKER is a public discount code that takes $50 off an order over $400 at Sublue's online store, and it behaves exactly the same on a phone as it does on a desktop — the difference is where the code field hides. On a small screen the order summary is usually collapsed to save space, and the box you need to type into often sits behind a tap. This article is about that: finding the field on mobile, what to watch for when your keyboard and autofill get involved, and how to confirm the $50 actually came off before you authorise payment.

WAVEMAKER is described as a discount code, not a referral code and not a voucher. That matters for mobile shopping more than it sounds. A referral code needs a relationship with an existing customer, and a voucher often behaves like stored value tied to an account — both usually mean logging in, retrieving an email or opening a link on the same device. A public discount code needs none of that. You can build a basket on your phone as a guest, type the string at the payment stage, and see the result immediately.

The single condition is the spend threshold: the order has to be over $400 before the $50 comes off. Sublue sells underwater scooters — hand-held diver propulsion vehicles — through store.sublue.com, which is where the code applies. The threshold means the code is aimed at someone buying a complete unit rather than a small accessory order.

Some shoppers assume there is a separate route through a shopping app. For this purchase the relevant destination is the store itself at store.sublue.com, reached in your phone's browser. That is where the code applies, and a mobile browser gives you the full checkout, including the discount field, without any of the guesswork about whether a third-party app surface passes codes through correctly.

There is a practical reason to prefer the browser beyond that. In a browser you can see the full URL bar, which lets you confirm you are on the official store domain rather than a lookalike page reached from a search result or a shared link. On a phone that check takes two seconds and is worth doing before you type any payment details. If a link arrives through a message or social post, it is usually safer to close it and type the store address yourself.

If you do start browsing inside an in-app browser — the mini browser that opens when you tap a link inside a messaging or social app — consider moving to your normal browser before checkout. In-app browsers sometimes handle saved payment methods, cookies and session data differently, and if something goes wrong mid-checkout you have fewer tools to diagnose it. Most of them offer an "open in browser" option in the corner menu.

On desktop, the discount field usually sits beside the order summary on the right-hand side of the page, visible without scrolling. On a phone there is no right-hand column, so stores stack everything vertically and collapse the summary into a single tappable row — often labelled something like "show order summary" with the total next to it, pinned near the top of the checkout page.

That collapsed row is where the discount field normally hides. Tap it, the summary expands, and the input marked discount code, promo code or coupon appears with the line items. Sometimes the field is behind a further small "add a code" link inside that expanded block. If you never tap to expand, you can walk all the way through shipping and payment on a phone without ever seeing the box — which is the most common reason people finish a mobile order at full price and only notice afterwards.

A short checklist for hunting the field down on a phone:

The code has to be entered exactly as written, with no spaces before or after. Phone keyboards are unusually good at breaking that. Autocapitalisation, autocorrect and predictive text all act on a short string of capital letters, and the most common mobile failure is an invisible trailing space added when you tap the space bar out of habit or accept a suggestion.

Some habits that avoid the problem:

If the field rejects the string, the other thing to check is what your subtotal is being measured against. Thresholds are commonly calculated on the goods subtotal rather than the final amount payable after shipping and tax. On mobile this is easy to misread because the summary is collapsed and you may only be seeing the grand total at the top of the screen. Expand it fully and read the subtotal line.

Step six is the one that trips up mobile buyers specifically. On a phone the on-screen keyboard can occupy half the display, and the totals you need to read are frequently underneath it. Tap somewhere neutral or use the keyboard's dismiss control, then scroll back up. A code that looks accepted but produces no visible reduction line has not actually applied — read the numbers, not the confirmation message.

Express payment buttons are the biggest one. Many mobile checkouts put a one-tap wallet button at the very top of the page, above everything else, because it is the fastest path to a completed order. It is also a path that can skip straight past the discount field. If you want the $50, enter and confirm the code before you touch any express payment button, or use the standard checkout flow instead.

Two more habits help. First, phone sessions get interrupted — calls, notifications, a browser tab reloading in the background — and an interrupted checkout sometimes returns with the code no longer applied. If you come back to a checkout page after a gap, re-expand the summary and verify the reduction line is still there. Second, keep the order confirmation showing the applied discount line. On a phone that means saving the confirmation email or a screenshot somewhere you can find it, rather than relying on a browser tab you will close.

The $50 is a flat amount, not a percentage, so it comes off every qualifying basket equally and does not push you toward one product over another. That is worth remembering on a phone, where small screens make spec comparison harder and the temptation is to let the code drive the decision.

The WhiteShark range is hand-held with twin propellers, held in front of the body with both hands. The classic WhiteShark Mix runs up to 1.5 m/s (3.36 mph), up to 30 minutes, rated to 40 m (131 ft), single-speed, with a detachable battery and removable floater. The Mix 2026 adds two-speed control and extends runtime to up to 45 minutes. The MixPro reaches up to 1.8 m/s, up to 60 minutes, two-speed control, and uses a compact dual-motor design. All share a detachable floater that gives positive buoyancy so the unit rises rather than sinks if you let go, and a universal action-camera mount fitted as standard, compatible with most action cameras.

Those differences in runtime, speed and speed control matter far more over years of use than a one-off $50. Pick the unit on a screen large enough to read the specifications properly if you can, then use your phone for the purchase if that is more convenient.

Several things about WAVEMAKER are simply unstated: whether it applies to accessories and spare batteries or only complete units, whether it stacks with sale or bundle pricing already showing on the store, whether there is an expiry date, and whether any region restrictions apply. None of that makes the code unusable, because the checkout resolves all of it within seconds of you applying the string. It does mean you should treat the $50 as something to confirm on the order summary rather than something to assume while budgeting — and on mobile, confirming it means expanding that collapsed summary and reading the line.

Also worth doing before you commit: read the store's returns and warranty terms on the product page. Codes do not alter them, and product pages on phones often collapse those details into accordion sections that are easy to scroll past. If filming is part of your plan, confirm your camera works with the fitted universal mount before ordering extras, and decide deliberately whether you want the floater fitted — it is removable, but the buoyancy it provides is a safety feature rather than an accessory.

Finally, resist the pull of the threshold itself. Adding filler items to push a basket over $400 usually costs more than the $50 you gain, unless you genuinely wanted those items. Build the basket you actually want, read the subtotal, and if it clears the minimum, spend the extra few taps to expand the summary and enter the code.

Promotional terms, eligibility and values are set by the provider and can change at any time. Always confirm the current terms on the official site before signing up or completing a purchase.