... bluetooth. For playing music/pause. VOL- for turn down the volume, VOL+for turn up the volume. For previous item For next item ... iPhone,iPad,GPS,PSP,mobile phone,notebook computer, etc. Metallic, shell shown noble and fashionable, out of ordinary, with many colors, several solution; for ... return to the menu, operate to play music.2, For all kinds equipments like blue tooth mobile, blue tooth adaptor, ...