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Quick start guide 3 ............................................................................................................................................................
Frequently Asked Questions (FAQ) 3 ..............................................................................................................................
Tech Specs 3 .......................................................................................................................................................................
Audio 3 ...........................................................................................................................................................................
Connectivity 3 ................................................................................................................................................................
Hands-free microphone 3 ...............................................................................................................................................
Earphone Battery 3 ........................................................................................................................................................
Charging Case Battery 3 .................................................................................................................................................
Others 3 ..........................................................................................................................................................................
Safety and maintenance 4 ................................................................................................................................................
Prevention of hearing loss 4 ............................................................................................................................................
Warranty 4 ...........................................................................................................................................................................