# USB Supported on Mobile?

**URL:** <https://onlykey.discourse.group/t/usb-supported-on-mobile/48>\
**Category:** Mobile Support\
**Created:** [October 13, 2020, 10:30am UTC](https://onlykey.discourse.group/t/usb-supported-on-mobile/48 "2020-10-13T10:30:37Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![brightwolf](https://avatars.discourse-cdn.com/v4/letter/b/edb3f5/32.png) [@brightwolf](https://onlykey.discourse.group/u/brightwolf)\
**Post date:** [October 13, 2020, 10:30am UTC](https://onlykey.discourse.group/t/usb-supported-on-mobile/48/1 "2020-10-13T10:30:37Z")

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I have just purchased an OnlyKey and waiting for it to arrive. In the mean time I wanted to purchase an USB to Lightning OTG adapter to be able to use it with my iPhone. I found one on Amazon that is MFI certified and is USB 3 (blue USB-A connector). Does OnlyKey work in USB 3 ports/cables?

> **[USB naar Lightning-adapter, Mfi gecertificeerde Amavasion USB 3.0...](https://www.amazon.nl/Amavasion-USB-adapter-MFi-gecertificeerd-s-high-speed-gegevensoverdracht/dp/B089YP44RX/ref=sr_1_1?__mk_nl_NL=%C3%85M%C3%85%C5%BD%C3%95%C3%91&dchild=1&keywords=usb%2Botg%2Blightning%2Bmfi&qid=1602584683&sr=8-1)**

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**Author:** ![t11](https://avatars.discourse-cdn.com/v4/letter/t/8e7dd6/32.png) [@t11](https://onlykey.discourse.group/u/t11)\
**Post date:** [October 13, 2020, 5:06pm UTC](https://onlykey.discourse.group/t/usb-supported-on-mobile/48/2 "2020-10-13T17:06:38Z")

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Yes, we also offer lightning to USB adapters on [https://onlykey.io](https://onlykey.io)

> **[Lightning to USB-A OTG Adapter for iPhone or iPad](https://onlykey.io/collections/all/products/lightning-to-usb-a-otg-adapter-for-iphone-or-ipad)**
>
> This lightning to USB-A OTG adapter provides an easy way of connecting OnlyKey to lightning port on iPhone and iPad (iOS 13.3+ required).

> **[3-In-One OTG Adapter Lightning/USB-C/USB-Micro Adapter](https://onlykey.io/collections/all/products/3-in-one-otg-adapter-lightning-usb-c-usb-micro-adapter)**
>
> This 3-in-one adapter provides an easy way of connecting OnlyKey to Lighnting, USB-C, and USB-Micro port on laptops like the Macbook Pro and mobile devices like Android or iPhone (iOS 13.3+ required).

It looks like you could also get a lower price at our store than the link you provided on Amazon.nl