Sennheiser Momentum 4 Wireless Main Logic Board OEM Original Replacement Parts garmin fenix 6x pro solar heart rate sensor Fits Model: Studio 2 Wired

Fits Model: Studio 2 Wired B0500

swim laps and menstrual cycle

MPN: MWVF2LL/A

Pair up to 8 Bluetooth enabled devices - Connect up to two source devices at the same time

Sennheiser Momentum 4 Wireless Main Logic Board OEM Original Replacement Parts garmin fenix 6x pro solar heart rate sensor Fits Model: Studio 2 WiredThis 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