- EQ modes sound - Small - There is a SD / MMC card slot - High-performance Product description: - Small size, body of about: 63 * 102 * 11.5mm - Built-in high-performance lithium battery, without power constraints, portable audio-visual - There is a SD / MMC card slot, you can insert SD / MMC Card Play2, high- quality large heads, the sound clear and veridic, beyond the traditional tape - A ...