https://devzone.nordicsemi.com/f/nordic-q-a/91896/issue-about-bluetooth-appearance-values-and-class-of-deviceDear Nordic Engineers I would like an issue to ask you about Bluetooth Appearance values and class of device. I read the following file. It&#39;s the SIG document This document shows class of device(COD). I read Bluetooth Core Specification:Volen-USTelligent Community 13Wed, 14 Sep 2022 05:06:57 GMThttps://devzone.nordicsemi.com/thread/386079?ContentTypeID=1Wed, 14 Sep 2022 05:06:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e112ca54-4fda-4ba9-bbdb-6b19264805baHannibalhz<p>Dear Hung</p> <p>Thank you for your support.</p> <p>Best regards,</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/385922?ContentTypeID=1Tue, 13 Sep 2022 10:59:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7ff095ef-2e93-4b86-aaa4-0d7110a7cc7bHung Bui<p>Hi Wang,&nbsp;</p> <p>As far as I know the &quot;class of device&quot; is only applied for Bluetooth Classic not BLE.&nbsp;</p> <p>The list of&nbsp;appearance number can be found <a href="https://specificationrefs.bluetooth.com/assigned-values/Appearance%20Values.pdf">here</a>.&nbsp;</p> <p>In the ble_app_hids_mouse example you can find&nbsp;</p> <p><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1663066791624v2.png" alt=" " /></p> <p>BLE_APPEARANCE_HID_MOUSE is equal to 962 which is 0x3C2 as in the list.&nbsp;</p><div style="clear:both;"></div>