Looking in the logs is a lot of
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A04"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A04"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2AA6"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2AA6"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A05"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A05"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "6A4ECD28-667B-11E3-949A-0800200C9A66"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "6A4ECD28-667B-11E3-949A-0800200C9A66"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "6A4E4C80-667B-11E3-949A-0800200C9A66"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "6A4E4C80-667B-11E3-949A-0800200C9A66"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A29"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A29"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A24"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A24"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A27"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A27"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A26"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A26"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A28"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A28"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A19"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A19"
[14:32:17] "HRM-Dual:053105 121" adding component type: 4 (BLE)
[14:32:17] CommonPair() default: 42
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A38"
[14:32:17] Unhandled characteristic HRM-Dual:053105 for "2A38"