The brands listed above are trademarks of 3M. 3M, Littmann, the L Littmann logo, the L, and Cardiology IV are marks and/or registered marks of 3M. Unauthorized use prohibited. Used under license in Canada. Eko trademarks, including CORE, are marks and/or registered marks of Eko Devices Inc. Bluetooth is registered trademark of Bluetooth SIG. Java is a registered trademark of Oracle.