Dbest, located in London, England, only creates sound systems and prides itself on the quality of it’s products. The Duo Mini Speakers (PS4003) operate on battery power (Lithium Polymer) and are recharged through USB ports. They connect to your unit through a 3.5 mm headphone jack.
Duo Mini Speakers (PS4003)
The Duo Mini Speakers weigh 5.8 ounces each (144g). The battery voltage is 3.7 V, and users can expect three to four hours to obtain a full charge. At full charge they are capable of up to 48 hours of continuous play. The speakers are available in red, black, and white.