Go Rock Black 3.5mm Mini Portable Speaker w/ Retractable Cables TRMS02MC-BK

Go Rock Black Mini Portable Speaker w/ Retractable Cables (TRMS02MC-BK) Type: Portable Speaker Compatible Phone Manufacturer: Universal Driver: 36 mm Output Power: 2.2W Power Required: Li-Polymer battery Battery Time: 6 hours Specifications: Li-Polymer battery input: DC5V Easy charging via USB or AC Unique design for signal-retractable cable build in Extendable resonance of the bass box technology enables stronger effect Unique retractable mechanism in side for easy cable retraction and storage Dimension: 2.05' x 2.05' x 1.93' - 2.54'