... supply manners including battery,USB,adaptor DC-5 Music Angel Micro SD/TF Mini Speaker JH- ... mini audio box with new concept integral stereo portable mobile music, connecting your MP3, MP4, CD, DVD, iPod, ... Frequency response: 150-18000HZ (+-3DB) 3) Signal and noise ratio of power amplifier:>=80db 4) Loud Speaker: 1 ... Includes: USB Cable, User Manual, Lanyard Music Angel Micro SD/TF Mini Speaker JH-MD06