Here is the new and improved completely modded and custom Game Boy Advance handheld version 2.0 including:
* AGS-101 backlit display
* Voltage Regulator (Brighter display)
* Digital Brightness Control
* Hi-Fi Class-D amplifier w/ 24dB gain, Better noise filtering & Less distortion
* New High-End speaker w/ Better frequency response & Higher sensitivity
* Clockspeed options 1x, 2x, 4x, 0.5x
* Rechargeable Battery Pack

MORE INFO: http://www.retromodding.com