1, Customized Accepted 2, Dropshipping Service 3, Fast Delivery 4, Paypal Accepted Speaker Spider Mini Computer Amplifier Speakers Portable Function & Feature:- ... U disk and inserting Micro SD card, MP3 format music - PC, laptop, computer, MP3, MP4, mobile phone which have audio ... after charging - Press mode switch change different mode between music play, Speaker and FM radio - When the speaker is ...