The Volume Booster 10+ watt power AMP pumps out more volume and plays your music with no distortion, even at maximum volume; It has incredible 100 foot bluetooth range. It is IPX5 Water Resistant provides splashproof and rainproof. Bigger 2500mAh rechargeable battery can play up to 14 hours at 2/3 volume; BUILT-IN Microphone for personal handsfree speakerphone calls.
You can purchase it now at $27.99 (new) from Amazon.com here.
It has powerful full-range sound with 12W HD sound and bass. A simple touch system with a laser-carved finish makes it easy to play music and answer phone calls. The built-in Li-Ion 2200mAh rechargeable battery powers up to 20 hours of playtime at 50% volume. Equipped with Bluetooth 4.0 technology, enjoy wireless and seamless music up to 33 feet.
You can purchase it now at $34.99 (new) from Amazon.com here.
Active Extra Bass function makes the bass more and volume louder by single press the button. Can connect 2 SoundBox Pro speakers via a single device for 360° stereo sound and double the volume. The wonderful light react and phase in time with the beat, included 6 color and 3 illumination patterns. With IPX5 waterproof, the speaker can resist water splash, spray, and rain.
You can purchase it now at $59.99 (new) from Amazon.com here.