Because different generation and model numbers of AirPods are incompatible. Left single side AirPod Pro 2nd gen Year 2022 without the charging case.
Apple AirPods Pro 2nd Gen Box Only with Manual and Ear Pillows Tips - NO AIRPODS
Genuine Apple AirPods Pro 2nd Generation A2700 – Charging Case ONLY - MARKS
Apple AirPods Pro 2nd Generation Genuine
Genuine Apple AirPods Pro 2nd Gen Box & Packaging Only (USB-C) – Complete Set
100% original Apple AirPods Pro 2nd Generation/MagSafe Wireless Charging Case
AirPods Pro (2nd generation) with MagSafe Charging Case
