PhonakPro Check enables hearing care professionals to run diagnostics on select Phonak heairng aids and troubleshoot on the spot – covering receivers, front & back microphones, circuit and battery. Device compatibility: PhonakPro Check is compatible with select Phonak hearing aids with Bluetooth® connectivity. PhonakPro Check can be used on Google Mobile Services (GMS) certified AndroidTM devices supporting Bluetooth® 4.2 and Android OS 13.0 or newer. Android is a trademark of Google LLC. The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Sonova AG is under license.