Does anyone know its real write speed?

This is a USB 3.0 memory stick with a maximum read speed of 100MB/s and a maximum write speed of 25MB/s

Is it compatible with samsung a5

I found the small connector would not fit any of my phones or tablets. The phone is a Galaxy Note 4 so I doubt it would fit.

Yes, it is waterproof. But please make sure the interface is dry when using it.

Does this work with 21 ultra samsung

It seems very likely that this will connect. The spec states that the 21 ultra has a USB type c connector, and the memory pen is usb c at one end and the larger USB plug at the other end to allow it to be plugged into a laptop or similar. I cautiously suggest it will be OK.

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Description

🚀 Elevate Your Storage Game!

DURABLE DESIGN - Metal construction ensures wear resistance, waterproofing, and shockproof capabilities.
EXPAND YOUR STORAGE - Never worry about running out of space—store all your essential files on the go.
LIGHTNING FAST SPEEDS - Transfer 1GB files in under a minute—save time for what really matters.
SEAMLESS DATA TRANSFER - Effortlessly switch between devices with USB 3.0 and Type-C interfaces.
UNIVERSAL COMPATIBILITY - Plug and play with a wide range of devices—no software needed.

The RAOYI 128GB USB C Flash Drive is a versatile dual-interface memory stick designed for seamless file transfers between smartphones, tablets, and computers. With impressive read speeds of up to 100MB/s and a robust metal design, this flash drive is perfect for professionals on the move, ensuring durability and efficiency in data management.

Reviews

R**D

Works very well

Good price, good product.Works well with my Pixel 9A.Check to see if your phone accepts external usb connections before you purchase. Search for OTG( ON THE GO ) for your phone. But should work with most phones. Would recommend this product

21.08.2025

D**E

It does work.You need to mount this usb drive first.

Well, I've got Android 13 on my Android phone, and although it recognised the stick, there was no way to transfer files. I had to mount the drive using Microsoft/Paragon exfat/NTFS app from the store. iPhone users may need similar Apple software to mount the stick, and format it. Anyway once I'd done this, file handling apps allowed me to transfer files easily. Takes a bit of fiddling, but it's fairly easy. I formatted the stick to NTFS. You CANNOT format this stick to Fat32 as advertised. Only exFat/NTFS.It's ideal for transferring files to and from my PC to the phone. Seems pretty good, once you've sussed it out and installed the necessary software. Don't give up, it does work.

16.07.2025

P**L

Quality USB Phone stick at a great price.

Quality USB Phone stick at a great price. Worked perfectly after unpacking. So easy to use. Very quick downloads to usb then pc. Very handy time saving tool. Nothing negative to say!.

18.07.2025

M**T

Doesn't work

18.09.2025

M**Y

Good for the price, but with average speeds.

I bought the 128GB stick, which comes with an actual storage capacity of 117GB,It has wide compatibility since it has both USB-A and USB-C ports.Build quality is made of plastic, which is expected.I tested the speeds, and it was as follows:USB C side:Read speed: 145-150 MB/sWrite speed: 60-70 MB/sUSB A side:Read speed: 143-150 MB/sWrite speed: 70 MB/sConclusion:If you just want a widely compatible flash drive and don't care for the speeed then this is a good choice.If writing/reading speed is an important factor, consider an alternative such as the SanDisk 64GB Ultra Luxe USB

13.07.2025

C**A

Works well, plenty of storage

Great! Downloaded all my photos and videos from my phone as a backup

21.08.2025

K**T

SCAM

WARNING i bought this USB and once I plugged it into my phone it wanted to connect to my file manager. It also sent me to a page which confused me. The page said we will check your details which was odd. I skipped it yet a few days later I received a notification from my bank saying 59.99 had been taken from my bank account for something called Action.Film.com. this is the page I skipped. The USB worked with transferred my photos and videos but beware of the link that pops up as it confused me and do not know why it's attached to the USB stick. I am now scarred to plug my USB stick to my laptop which has my family photos on.

16.07.2025

L**.

Reliable

Little but very good. I manage to empty my phone from photos and videos I want to keep and reduced the space usage on my phone... now i can take more memories

17.06.2025

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