diff --git a/src/calibre/customize/builtins.py b/src/calibre/customize/builtins.py
index 4c87236e71..68df832048 100644
--- a/src/calibre/customize/builtins.py
+++ b/src/calibre/customize/builtins.py
@@ -459,7 +459,7 @@ from calibre.devices.iriver.driver import IRIVER_STORY
 from calibre.devices.binatone.driver import README
 from calibre.devices.hanvon.driver import N516, EB511, ALEX, AZBOOKA, THEBOOK
 from calibre.devices.edge.driver import EDGE
-from calibre.devices.teclast.driver import TECLAST_K3, NEWSMY, IPAPYRUS
+from calibre.devices.teclast.driver import TECLAST_K3, NEWSMY, IPAPYRUS, SOVOS
 from calibre.devices.sne.driver import SNE
 from calibre.devices.misc import PALMPRE, AVANT, SWEEX, PDNOVEL, KOGAN, GEMEI
 from calibre.devices.folder_device.driver import FOLDER_DEVICE_FOR_CONFIG
@@ -557,6 +557,7 @@ plugins += [
     TECLAST_K3,
     NEWSMY,
     IPAPYRUS,
+    SOVOS,
     EDGE,
     SNE,
     ALEX,
diff --git a/src/calibre/devices/teclast/driver.py b/src/calibre/devices/teclast/driver.py
index 0c60a367cf..2055ff9306 100644
--- a/src/calibre/devices/teclast/driver.py
+++ b/src/calibre/devices/teclast/driver.py
@@ -52,3 +52,14 @@ class IPAPYRUS(TECLAST_K3):
     VENDOR_NAME      = 'E_READER'
     WINDOWS_MAIN_MEM = ''
 
+class SOVOS(TECLAST_K3):
+
+    name = 'Sovos device interface'
+    gui_name = 'Sovos'
+    description    = _('Communicate with the Sovos reader.')
+
+    FORMATS = ['epub', 'fb2', 'pdf', 'txt']
+
+    VENDOR_NAME      = 'RK28XX'
+    WINDOWS_MAIN_MEM = WINDOWS_CARD_A_MEM = 'USB-MSC'
+