Microlab MD312 Bluetooth Wireless Portable Stereo Speaker, White: * Uniquely designed 2.1 speaker system in a single compact sound box * Wireless music with bluetooth technology * Generous bass effects and clear treble * Front panel controls for playback and bluetooth pairing functions * Comes with alternative 3.5mm stereo connection to most media players and computer * Rechargeable battery powered and hand grip for portable use; carry it with you * Output power: 4W RMS * Frequency range: 40Hz to 18kHz * Signal/noise ratio: >65dB * Input: 3.5mm stereo jack, mini-USB charging port * Color: white