Compatibility: The earbud is compatible with Pro 1st and works with original charging case.
Important Compatibility Notes: Incompatible with the charging cases of Ear buds Pro (2nd Generation) - A2700 and A2968, as well as earbuds models A2931, A2698, A2699, A3047, A3048, and A3049.
Quality Assurance: With the same high quality and performance as the original product
Pairing Guide:Remove the existing connection from the device's Bluetooth list and place the earbuds in the device to charge (about 30 minutes or so)just like the connection procedure original