Easy one-button FM channel selection with eight available channels •Smart digital charging for fast charges and maximum battery life •24k gold contacts for optimal signal transfer and corrosion resistance Specifications: •Compatible with all iPods that utilize a dock connector including the iPod Mini •Transmitter utilizes FM channels: 88.1, 88.3, 88.5, 88.7, 88.9, 89.1, 89.3, 89.5