Serial number location - QuietComfort® 3 Acoustic Noise Cancelling® headphones
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Bose Recalls Dual-Voltage CineMate II Home Theater Speaker Systems Due to Fire Hazard | CPSC.gov
Serial number location - QuietComfort 35 wireless headphones II
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Serial number location - Companion® 5 multimedia speaker system
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Serial number location - SoundTouch soundbar system
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Headphones - Support
Serial number location - QuietComfort® 2 Acoustic Noise Cancelling® headphones
Serial number location - ProFlight Series 2 Aviation Headset
Serial number location - Wave® SoundTouch™ music system
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