Sumiko Wellfleet MM Cartridge

Marsoni

M251S

$249.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Sumiko Wellfleet MM CartridgeThe Wellfleet is the seventh model up in the slightly confusingly named Oyster series of cartridges from Sumiko. This takes the successful Moonstone recipe and tweaks the stylus assembly further again, with a nude Elliptical diamond mounted on the very small 0. 5mm diameter aluminium cantilever with low mass magnets. The output is fairly low (by MM standards) at 3mV due to the reduced magnet size. This cartridge can also be downgraded by fitting the

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If you are debating about getting this dash mount, get it. I haven't fully tested the wireless charging but I have a pretty uneven surface and it sticks extremely well, the holders that hold the phone are electronic and they sense whether or not the phone is in there once open so it won't just close randomly. If you turn the car off, you can release it, go away for a few minutes and then come back, set the phone on there, and turn the car back on, and after a few seconds it will clamp. If you press the button while the car is off it will clamp as well. I would recommend testing whether or not it wireless charges on whatever one you get, just in case of a defect, and you don't even need to take the film off to test it. This one is one hundred percent worth the money..

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Reviewed in the United States on April 25, 2026

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Amy

New York, US

★★★★★ 5

Versatile for any phone size.

Color: BLACK

My husband loves us so much he bought 2. I like how itself adjust to the phone once it's seated.

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Reviewed in the United States on May 15, 2026

Verified Purchase

Joe

Port Orchard, US

★★★★★ 5

Recommend

Color: Black

This a great little phone mount. It works for my iPhone 17 pro max. I drive a lot of dirt roads where I live in the mountains, and the magnet holds up to plenty of bumps without dropping my phone. Easy to install. Pros: -very simple installation -strong magnet -arm rotates for adjustment -ball and socket joint allows tilting with a good amount of resistance to hold its position (when fully tightened) Cons: - for model 3 users, anything other than next to the steering wheel can block a portion of your windshield viewing area -could have more modularity if offered with more arm attachments Conclusion: RECOMMENDED. Very stable and functional mount with a minimalistic design that still allows for some adjustability. If magnet weakens over time, or the sun damages the plastic to the point of breaking from brittleness then I will post updates. I will also update for any modifications I make for more adjustability.

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Reviewed in the United States on April 26, 2026

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Jamie J. Breustedt

Alexandria, US

★★★★★ 5

This economical solution works perfectly

Color: Black

Very happy with this car mount. The magnet is plenty strong to securely hold my iPhone in its magnetic loop case. It’s plastic but it’s sturdy and fits on my Model 3’s screen perfectly. It has an adjustable height that I can mount my phone with full clearance of my steering wheel. Don’t waste your money on a metal mount, this inexpensive mount serves the need perfectly.

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Reviewed in the United States on April 22, 2026

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Anthony Jones

Los Angeles, US

★★★★★ 5

Great for Tesla

Color: Black

Perfect in my Tesla. It’s sturdy and never drops my phone.

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Reviewed in the United States on May 23, 2026