Portable Bluetooth Speaker GK03 (New Version - Bluetooth 4.0) - Best Wireless Experience For Outdoors - Waterproof And Shockproof - Use In The Shower Or As A Cell Phone Speakerphone - 100% Satisfaction Guaranteed - (Yellow) Powerful Dual Speaker with a Built-In Rechargeable Battery Rugged: Water Resistant, Dust Proof, Rubberized Shell for impact resistance Works with any bluetooth enabled device. iPhones, iPads, iPods, Android phones, PCs, etc. Included charging cable and carabiner Dimensions: 5 in. x 3.5 in. x 1.85 in.