Xiaomi sells inexpensive TWS headphones on AliExpress under the QCY brand.
The model is called QCY T8 and outwardly it is very similar to Huawei FreeBuds 3. The headphones boast 13 mm drivers and a Bluetooth 5.1 module. They work up to 3.5 hours on a single charge. Case will increase this indicator to 17.5 hours. It is charged via the USB-C port.
QCY T8 also has IPX4 water protection, touch panels for music control, and several microphones for noise cancellation of extraneous sounds during calls. Headphones work through a proprietary application. It is available for Android and iOS devices.
Selling QCY T8 now on AliExpress for only $ 24. Headphones are only available in one color.