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Device Identity & UUIDs

PropertyValue
ModelBose Noise Cancelling Headphones 700
Internal CodenameGoodyear
Bluetooth Vendor ID0x009E (Bose Corporation)
Bluetooth Product ID0x4024
Device Class0x240418 (Audio/Video - Headphones)
Local Alias”Bombay”
MAC AddressC8:7B:23:55:68:E8
Firmware2.0.4-13730+d2cb81b (via 00 05 01 00)
Protocol Version1.1.0 (via 00 01 01 00)
UUIDProfileNotes
0x1101Serial Port Profile (SPP)Control commands
0x1108Headset Profile (HS)Basic audio
0x110BA2DP SinkHigh-quality audio streaming
0x110C/E/FAVRCPRemote control (play/pause/skip)
0x111EHandsfree Gateway (HFP-AG)Phone call audio
0x112EPhonebook Access (PBAP)Contact sync
0x1200PnP InformationDevice identification
UUIDAssignmentNotes
0xFDD2LE Audio (LC3 codec)Next-gen Bluetooth audio
0xFE03AmazonAlexa integration, possibly related to ch27
0xFE2CGoogleFast Pair
00000000-deca-fade-deca-deafdecacaffBose vendor-specificUnknown purpose — investigation target
81c2e72a-0591-443e-a1ff-05f988593351Custom vendorUnknown
85dbf2f9-73e3-43f5-a129-971b91c72f1eCustom vendorUnknown
931c7e8a-540f-4686-b798-e8df0a2ad9f7Custom vendorUnknown
9b26d8c0-a8ed-440b-95b0-c4714a518bccCustom vendorUnknown
f8d1fbe4-7966-4334-8024-ff96c9330e15Custom vendorUnknown

The deca-fade UUID (00000000-deca-fade-deca-deafdecacaff) is clearly a Bose vendor-specific UUID. The “deca-fade-deca-deaf-deca-caff” pattern is distinctive and deliberate. Its purpose is unknown and it remains a high-priority investigation target.

ComponentVersion
Kernel6.16.5-arch1-1
BlueZ5.85
PipeWire1.4.10
liblc31.1.3-2