The Omni HiFi 2.1 combines the advantage of the DPS Traveler with a 2.1 speaker system with a built in 2 piece 12/9 AH battery pack.

The Omni HiFi 2.1 power supply accepts any AC within the range of 90 240 VAC in order to charge the batteries included

It provides 12VDC output to the DPS Traveler, which can operate, power, and recharge almost any modern laptop, portable DVD player, digital camera, mobile phone, smart phone, gaming systems, etc.