At a glace look at:
Full compatibility with normal hardware GBA games and ROMs
Support for official GBA cartridges
Support for pirated GBA cartridges
Official and Unofficial GBA link cable support (K101-K101, K101-K1 GBA SP, K101-GBA)
Cheat support (GBA .CHT files)
Support for standard 3.5 mm headphone jack
TV-out via a 2.5 mm AV cable
Real Time Clock (RTC) functionality
MP3 playback functionality
Battery - Nokia clone BL-5B 3.7v 890mAh Li-ion rechargeable
What is included:
1x Revo k101 plus crystal clear
1x K-card
1x USB charger
1x TV out Cable