There is no explanation required for products from Bose. They are really great like this one which is on huge discount right now. The Bose SoundSport in-ear Headphones is discounted to just $49 on Amazon today. Regularly this product would cost $99 on normal days. The headphone comes with a 3.5mm headphone jack which is compatible with all Apple devices which have 3.5mm port built in. For devices that do not have a 3.5 mm headphone port such as iPhone 7 and the latest one, you can use lightning to 3.5mm jack adapter to make it compatible.
From the Product Page:
The following Apple products are compatible with the audio cable that has an inline remote and microphone: iPhone: 3GS, 4, 4S, 5, 5C, 5S, 6, 6 Plus , iPod touch: second, third, fourth and fifth generations , iPod classic: 2009 (120GB and 160GB) , iPod nano: fourth, fifth, sixth and seventh generations , iPad : all models , MacBook : unibody and Pro , iPod shuffle : 3rd and fourth generation
Proprietary Stay Hear tips, in three sizes, conform to your ear’s shape to stay comfortably in place all day
Sweat- and weather-resistant; engineered and tested for lasting quality and durability. Not noise canceling
Inline microphone and remote for easy switching between calls and music with select iPhone models
Matching protective carrying case included. Please Note: Kindly refer the User Manual before use also sees page 10 for troubleshooting. SoundSport in-ear headphones:1.06 m (17.86 g),StayHear tips:2.5 cm H x 1.9 cm W x 0.95 cm D,Clothing clip:1.9 cm H x 0.63 W x 1.27 cm D,Case:8.4 cm H x 8.4 cm W x 2.8 cm D