Features: Effortless Sound: The design of the spark is a DC coupled topology from input to output, meaning it has no capacitors in the signal path to detract from the sound.
Specification: AM/FM Radio
Bluetooth
3.5mm Auxiliary Input
Alarm Clock
Sleep Timer
Snooze Button
USB charging for phones & tablets
Battery Backup for Alarm
Wireless Technology: Bluetooth
Package Contents: (1) Model Three BT
(1) Manual
(1) Power Cord
(1) External Wire FM Antenna
(2) AA Batteries