Battery spec wise, the earbuds hold 4 hours of charge internally, and come in a case that holds 12 hours of charge in total. (techradar.com)
You'll want to skip to 2:53 to see the iPhone 6 battery spec in question. (cultofmac.com)
The JOLT has a 350W rear hub motor, powered by a 36V LG lithium - ion battery pack (no other battery specs are shown) that is said to enable a range of 30 miles (electric only) or up to 50 miles (pedal - assist mode) per charge. (treehugger.com)