Edifier USA e25 Luna Eclipse (Red) Bluetooth pairing capability with Bluetooth enabled devices Touch sensitive controls for volume, play/pause, previous/next track and standby as well as wireless remote for volume and power Auxiliary input port for versatile connectivity to external devices Electronic crossover and dedicated power amplifier to each tweeter and bass drivers 3-Inch bass driver and 19mm silk dome tweeter in each speaker and dual 2 inch x 3 inch passive bass radiators for enhanced bass effect in each speaker