Power ON/OFF. Volume Up/Down.
Subwoofer - External:
Portable speaker for cell phone, laptop, MP3/MP4 player,iPad, iPod, or iPhone. Class-D digital amplifier. Power on/off with volume control. Link-design for connecting to other portable speakers. Built-in lithium battery,quick charge by USB. Up to 8 hours working time.
GENIUS SP-i177. Y cable for audio-in and charging. Pouch. Multi-language user’s manual.
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