It is compatible with earbuds Pro (2nd Generation), A2931/A2698/A2699 earbuds, and A2700 charging case. It only includes the Left earbud. **Warm Tips: It is incompatible with USB-C charging case: A2968, earbuds A3047, A3048, A3049. If you charge the charging case in advance, you can use it to charge the earbuds when you go out without a power supply. Please note that this earbud (model numbers A2931, A2698, A2699) is only compatible with the Earbuds Pro (2nd Generation) charging case (model number A2700). Quality: Used but good, OEM (original equipment manufacturer) standard, guarantees the same quality and performance of the original earbuds, and provides a reliable earphone solution. Pairing Instructions: 1. Forget your Earbuds from the Bluetooth list; 2. Plug the charging case with a power source; 3. Put in the new earbud and wait for 30-60 minutes; 4. Open the lid of the charging case; 5.Press and hold the setup button on the back of the case for about 15 seconds, until the status light on the front of the case flashes amber, then white; 6. Connect the earbuds to your phone. **If it does not work, please check if the models of the left and right earbuds match. Package Content:
1 x Left Earbud for Earbyds Pro (2nd Generation), A2931/A2968/A2969
Exclude the right earbud and charging case.
Condition: Used: Good.

**Please check the model of your earbuds before you place the order!
Guideline of Pairing: (Important)
1) Forget your earbuds from the Bluetooth list;
2) Charge your earbuds for 30 minutes or more. Ensure your iPhone/iPad is close to your earbuds (side by side!!) when charging;
3) Reset and reconnect earbuds. **If it does not work, please charge more times,e.g. a whole night. Please contact us if you have any pairing issues.