Specification: Input voltage: 5V Output voltage: 5V Output current: 1000MA Color: Black/White Cable Length: Approx 1.2m/3.94ft Width: 3.9 inch Thickness: 0.23inch Wide Compatibility: This charging Dock is design for Logitech ultimate ears BOOM 3,Logitech ultimate ears MEGA BOOM 3, Logitech ultimate ears BLAST, for Logitech ultimate ears MEGA BLAST. Instantly charge your speaker simply by placing them in the center of the charging base, instead of plugged the cable in the speakers. Pakage included: 1 x Charging Dock 1 x Type C Cable