Button locations and usages
(12) 1.5" Color Display
(13) Menu / Select
(14) Previous / Backward
(15) Volume control
(16) Next / Forward
(17) USB port
(18) Earphone jack
(19) Strap hole (strap not included)
(20) Main power switch
(21) Loudspeaker
(22) MicroSD card slot
4
