SONY Fully Wireless Earphones WF-1000XM4 Left (L) Version: 2.1.0 Battery Life: AAC connection, Noise Canceling ON, 2 hours 30 minutes of playback, 71% battery remaining Please be sure to check the version of your earphones before purchasing. This product is version 2.1.0. Pairing is possible if your device is version 2.0.1 or higher. You can check the version by opening the Sound Connect app and tapping the version from the ... mark in the upper right corner. This product is a junk item. Playback is possible, but the sound is distorted. The sound is relatively stable if you bring the earphones close to your smartphone, but please consider it as junk. Battery life is only an estimate. Battery life will vary depending on the usage environment, so please understand. Eartips are not included. It will be packaged in bubble wrap and then placed in an OPP bag for shipping.