Sennheiser Momentum 4 Wireless Main Logic Board OEM Original Replacement Parts garmin fenix 6x pro solar heart rate sensor settings and environmental conditions

settings and environmental conditions

as well as most devices with the Android operating system

MPN: SM-R510NLVAXAR

Fits Model: Studio 2 Wired B0500

Sennheiser Momentum 4 Wireless Main Logic Board OEM Original Replacement Parts garmin fenix 6x pro solar heart rate sensor settings and environmental conditionsThis is a genuine OEM main logic board pulled from a Sennheiser Momentum 4 Wireless headphone. This is the primary circuit board controlling all core headphone functions, including Bluetooth connectivity, active noise cancellation, microphone processing, speaker output, and power management. If your Momentum 4 won't power on, won't connect via Bluetooth, has ANC failure, or has multiple functions failing at once, this is the exact original board