Nokia Mini Speakers MD-4 are for you if you want to listen to music tracks or FM radio on your compatible phone.
With Nokia Mini Speakers MD-4 you can:
listen to music from your compatible phone for up to 30 hours on a single set of batteries
travel light: the speakers are extremely lightweight and fold away when you’re not using them
enjoy stereo sound from your compatible phone's music player and radio with mini speakers that fit your pocket