MFi Certified USB 3.0 Flash Drive 128GB 3in1 - Fast External Storage

In this review the Techkey MFi Certified USB 3.0 Flash Drive 128GB is evaluated as a portable, multi-device storage option for people who move photos, videos and files between phones, tablets and computers. The single biggest reason to buy is its combination of certified Lightning support and a 3-in-1 connector set (USB, Lightning, Type C), which removes the need for cables and frees up device storage quickly. The drive is compact and metal-cased, and the included app offers one-click backup and optional Touch ID/passcode encryption for secure, on-the-go backups.

Key Features

• MFi certified Lightning support: lets iPhone and iPad users transfer and back up photos and contacts without relying on cloud storage.
• 3-in-1 connectors: USB 3.0, Lightning and Type C interfaces make it easy to move files between iOS, Android, Mac and Windows devices.
• 128GB capacity: offers ample space to free up device storage and carry large photo and video libraries for travel or work.
• One-click backup and sharing: the companion app automates photo, video and contact backups and enables direct sharing to social media.
• Durable metal design: metal housing and advanced chip technology provide dustproof and drop-resistant protection for everyday use.
• Optional encryption: app-based Touch ID or passcode locking secures the entire drive or selected files for privacy.

Who It's For

The drive is ideal for photographers, business travelers, and users who split time across iPhone, Android and PC platforms and need a quick way to offload media without cables or cloud subscriptions. It particularly fits users running iOS 12.1 or later who want the convenience of a certified Lightning accessory and those who appreciate a compact metal design for pocket carry.

Users who require enterprise-grade backups, very high sustained transfer speeds for large professional video workflows, or drives with integrated RAID or network features should look elsewhere. Also, iOS users must install the U-Disk app to access the drive, which adds one more setup step.

Pros & Cons

Pros

• Works across iPhone, iPad, Android, Mac and Windows with a single 3-in-1 stick for easy cross-device transfer.
• Convenient app features including one-click backup, automatic in-app camera storage and simple sharing to social media.
• Durable metal build with dustproof and drop-resistant properties for everyday portability.
• Encryption options via Touch ID or passcode add a layer of security for sensitive files.

Cons

• iOS requires the U-Disk app to use the drive, which is an extra step compared with plug-and-play accessories.
• Transfer speed is described as high but real-world performance will vary by device and file type.

Specifications

Capacity	128GB
Interfaces	USB 3.0, Lightning, Type C
Compatibility	iOS 12.1+, OTG Android, Windows 7+, Mac OS 10.6+
Material	Metal housing with advanced chip technology
App features	One-click backup, automatic camera storage, Touch ID/passcode encryption
Included accessory	Keychain attachment

Our Verdict

The Techkey MFi Certified USB 3.0 Flash Drive 128GB is a practical, budget-friendly option for people who need cross-platform portable storage and fast, cable-free backups. Its certified Lightning support, versatile connectors and app-based encryption make it a solid choice for travelers and casual photographers who want to free up phone space without cloud costs.

Frequently Asked Questions

Do iPhones need an app to use this drive?
Yes, iOS devices require the U-Disk app to access files and use the one-click backup features.

Will it work with Android and PC without an app?
Android phones with OTG support and Windows or Mac computers can access the drive directly without installing the app.

Can files be password protected?
Yes, the companion app supports Touch ID or passcode encryption for the whole drive or selected files.