2pcs PINK AND BLUE KD-MN02 Portable Mini Music SD USB Speaker FM for PC Mobile Phone MP3 Player This mini speaker has compact size and light weight. With 3.5mm audio plug and Micro SD slot, it can be connected with MP3, MP4, Phones, iPhone, iPad, iPod, and PC, to play music. KD-MN02 TF Card Kaidaer speaker with FM USB disc,Micro SD card support Music player-allows you to enjoy music anytime anywhere charm. This is a modern fashion, the appearance of a unique mini digital audio. The new aluminum diaphragm micro-speaker, clear,treble, bass, pure, unique design, the sound quality was even better. New concept of integrated digital audio player, connect your MP3, MP4, CD, Ipod, Iphone, PSP, mobile phones, computers. Metal, cicular design, button curved design, a variety of colors, highlights the modern style, make you own way. Lithium battery, the computer USB, power adapter DC-5V many ways you can enjoy music anytime and anywhere, eliminating worries. Output Power: RMS 3W THD=10% Frequency response: 150~1800Hz(3dB) SNR: 80dB Speaker: 1.77" (diameter 45mm) magnetically shielded, 4ohm Power Input: USB cable or Power adapter 5V/1000mA Product size:6. 5*6.5cm Product weight: 185g Package size: 33*24*27.5cm