Genuine/Original/OEM Bose QC Ultra headphones repair part. Part = Left Main Board. Part Number = 878929-0010. Condition = Grade A (9.5/10).

• Brand: Bose 
• Condition: Grade A (9.5/10) 
• Fits Models: QuietComfort Ultra (440108)
• Part: Left Main Board (Pulled From Headphones) 

Included: 

• 1 x Bose QC Ultra Headphones Left Main Board (878929-0010).