Features: Maximum play time for about 6 hours
Li-polymer battery input: DC 5V
Power output: 4W
Speakers: D36mm
Easy charging via USB or AC
Single-retractable cable built in
Extendable resonance of the bass box technology enables stronger effect
Mechanism in side for easy cable retraction and storage
Built-in magnetic lock to secure two-piece speakers into one when not in use
Standard 3.5mm audio plug, apply with all music player, NB / PCs, iPod and iPhone