It is not obluez, it is just bluez.

bluez-daemon - 5.38-1 - Bluetooth daemon
bluez-examples - 5.38-1 - contains many examples apps for bluetooth, requiring python
bluez-libs - 5.30-1 - Onion-Customized Bluetooth library
bluez-libs - 5.38-1 - Bluetooth library
bluez-utils - 5.38-1 - Bluetooth utilities
bluez-utils - 5.30-1 - Onion-Customized Bluetooth utilities