The ZEN MicroPhoto, released on July 28, 2005, shares the same features of the ZEN Micro except Audible.com support (reinstated in firmware versions 1.31.01 and above), and adds an upgraded 262,144-color (18 bpp) OLED screen for displaying photos. To fix the lack of bass with the ZEN Micro, Creative also implemented a Bass Boost feature, now available in most subsequent players. The 8 GB player is available in the same colors of the Micro and is advertised to store "thousands of JPEGs" or "4,000 songs". Due to its larger battery, the player can play up to 15 hours of continuous