diff --git a/doc/descriptions-external/utsushi.desc b/doc/descriptions-external/utsushi.desc
index c32b529a7..0bab0cc45 100644
--- a/doc/descriptions-external/utsushi.desc
+++ b/doc/descriptions-external/utsushi.desc
@@ -192,6 +192,11 @@
 :usbid     "0x04b8" "0x1106"
 :status    :good
 
+:model     "ET-2720"
+:interface "USB"
+:usbid     "0x04b8" "0x1157"
+:status    :good
+
 :model     "ET-3750"
 :interface "USB"
 :usbid     "0x04b8" "0x1130"