The Baseus company sells inexpensive TWS headphones under the Encok brand on AliExpress.
What is known
The model is called Encok
WM01. It has four colors and Bluetooth 5.0, speakers with a vibration membrane, and battery life up to 5 hours. With the charging case, the figure will increase to 25 hours. By the way, it charges via the USB-C port. The headphones support touch controls. For example, using a long tap you can call the voice assistant Google Assistant or Siri.
Price
Baseus Encok WM01 is sold on AliExpress for $15. There is also a Plus version for $22. It features a display that shows the charging of the headphones.