The speaker BALLO for Hong Kong based brand OYO – Objects You Obsess provides massive sound for this tiny device. It comes with a built-in rechargeable Lithium battery and is compatible with most audio devices. The 3.5mm jack is a regular plug for headphones. When pluged-in, the speaker turns on automatically. The design follows principles of minimalistic design. A colorful belt fuses two hemispheres. It protects the speaker and increases the bass tones when lying on a surface. The BALLO speaker is available in ten different colors. Its polycarbonate case makes it robust and perfectly portable.