20ft ReadyPlug&reg; USB Cable for Polk Audio BOOM Swimmer Data/Computer/Sync/Trickle Charge Cable (20 Feet) USB Cable for: Polk Audio BOOM Swimmer Charger: Plug Into Any USB Power Data Transfer: High Speed USB 2.0 upto 480mbps Length: 20 Feet (6.1 Meters) - Color: Black - for: PC/Mac Computers ReadyPlug USB Cable Lifetime Warranty