USB Male Type A to Proprietary 4-pin Magnetic Connector
Length： 2ft/0.6m
Compatible with Bose Frames Alto S /M/L & Rondo Bose Frames Alto S/M M/L, Bose Frames Rondo, Bose Frames Soprano, Bose Frames Tenor Open Ear Headphones Audio Sunglasses
Package include:
1x Original BOSE USB to magnetic cable