The main difference between the SoundLiberty 88, SoundLiberty 92, and SoundLiberty 95 earbuds is that the SoundLiberty 88 and 95 have improved microphone technology for phone calls. The SoundLiberty 88 and 95 has noise cancellation for the microphones (not the headphones) to help remove background noise while you’re talking on the phone.
The battery case for the SoundLiberty 92 can hold one additional charge (total of up to 30 hours of playback time) over the SoundLiberty 88 (total of up to 25 hours of playback time). The SoundLiberty 95 earbuds can last up to 7 hours on a single charge and achieve up to 28 hours of total playback time, but don’t have a specific IP water-resistance rating.
See the full comparison below: