> For the complete documentation index, see [llms.txt](https://doc.vietqr.vn/doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.vietqr.vn/doc/giai-phap-va-ung-dung-vietqr/qr-voice-box.md).

# QR Voice box

[LOA WIFI ONLY ](https://www.youtube.com/shorts/2wPWkarv0IA)

[LOA 4G](https://www.youtube.com/shorts/2iF5ildbxTQ)

[Loa Wifi +4G + Màn LED (Hiển thị QR All in One)](https://www.youtube.com/shorts/7tH1YmWzspw)

| LOA WIFI                                                                                            | LOA 4G                                                                                              | LOA WIFI+4G+LED                                                                                     |
| --------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- |
| <div><figure><img src="/files/He5jX3W9yzwtgutVbySA" alt=""><figcaption></figcaption></figure></div> | <div><figure><img src="/files/mMSvZWS7tA04hpXnyf1w" alt=""><figcaption></figcaption></figure></div> | <div><figure><img src="/files/4sBTcow61vk94tyRPHH0" alt=""><figcaption></figcaption></figure></div> |

<figure><img src="/files/k4An2ihcVhpHvmjrCt1X" alt=""><figcaption><p>Thiết bị loa thông báo thanh toán</p></figcaption></figure>

<figure><img src="/files/ObgVcJNFBopHFxDP1Nb7" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/oS2DmWSI8FgaJNSfoiVh" alt=""><figcaption></figcaption></figure>