Mini Card SD card Mini Speaker / U disk computer mobile and mp3 sound box 5pcs/alot
Seller Promise:
Sound card inserted U disk card built-in rechargeable battery
New concept of integrated stereo portable mobile music, digital audio, can be connected to MP3, MP4, IPod, IPhone, GPS, PSP, mobile phones, laptops, desktop computers.
Metal, more noble fashion, unique, variety of colors, a variety of options to give you more choices.
Can read U disk, TF card (Micro SD card) of music in MP3 format
1 Plug in the U disk or SD card, the switch to ON, automatically read and play MP3 music. By pressing a button control on / next song, adjust volume, play / pause.
Output power: 3W
Frequency response :150-1800Hz (+ /-3dB)
SNR: ≥ 80 dB
