A:AnswerJBL website says quote “Their ergonomic fit and sweatproof/waterproof design let you exercise longer and harder, wherever your workout takes you.”
https://www.jbl.com/wireless-headphones/ENDURANCE+PEAK+II-.html
A:AnswerThank you for reaching out. There is not much difference in size dimension but more on the weight. The weight of the Endurance Peak earbuds is 28 Grams whereas the Endurance II earbuds weigh 26 Grams. The charging case of the Endurance Peak weighs 90 Grams whereas the charging case of the Endurance Peak II weighs 77 Grams. Access the link to get more information about this product. https://bit.ly/34kALQv
A:AnswerOur JBL Endurance Peak has a rating of IPX7 which means that it is waterproof but it is not recommended for swimming. We suggest the JBL Endurance Dive for swimming activities. https://www.jbl.com/endurance-headphones-series/JBL+Endurance+DIVE.html
A:AnswerOur JBL Endurance Peak has a rating of IPX7 which means that it is waterproof but it is not recommended for swimming. We suggest the JBL Endurance Dive for swimming activities. https://www.jbl.com/endurance-headphones-series/JBL+Endurance+DIVE.html
A:AnswerTo manually pair our JBL Endurance Peak II, press the dedicated JBL buttons of the earphones 3 times simultaneously. For more information about the controls of the earphones, check it out here: https://www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwff3f57e6/pdfs/JBL_Endurance%20Peak%20II_QSG_Multilingual.pdf
A:AnswerOur JBL Endurance Peak II doesn't have built-in adjustments for the bass or treble. You can use an equalizer application on your phone to adjust the audio of the headphones to your preference.
A:AnswerThe loudness of our JBL Endurance Peak II may vary depending on the volume level and music content.To control the volume, simply move your finger up the ridges above the JBL logo on the RIGHT ear to increase the volume. To decrease the volume, move your finger down along the ridges. Make sure you set the maximum volume from the source device. if you need more help, please use this link to contact customer service. https://bit.ly/31uxRHB
A:AnswerOur JBL Endurance Peak has a rating of IPX7 which means that it is waterproof but it is not recommended for swimming. We suggest the JBL Endurance Dive for swimming activities. https://www.jbl.com/endurance-headphones-series/JBL+Endurance+DIVE.html