The iK50 is a stereo alarm clock that lets you charge and play your Kindle Fire. Wake and sleep to radio (you can also wake to tone). Reson8Ã,Â speaker chambers and EXB bass enhancement provide great sound that's perfect for your music, games or apps. Works with iHome Sleep app (free download) to wake and sleep to your favorite music and advanced custom alarms. Also enjoy FM radio with digital tuning. A micro USB charging cable and stereo audio cable with 3. 5mm plug are included. * Play and charge your Kindle Fire - Kindle Fire connects and plays music through speaker unit. * Stereo speakers - Specially designed high-end drivers in Reson8Ã,Â speaker chambers and EXB bass expansion deliver astounding clarity, depth and power in a small space. * FM stereo clock radio - Play and wake to your favorite FM radio stations or alarm tones. * Works with iHome Sleep alarm app - Wake and sleep to your favorite music on your Kindle Fire to enhance your sleep experience with customized alarm settings (free download). * Programmable snooze and sleep functions - Adjust snooze or sleep time to suit your preferences. * Aux line-in jack - Connect and play any audio device equipped with a standard 3. 5mm headphone jack. * Gradual wake - Volume level of alarm source gradually increases for gentle waking experience. * Quick charge USB port. * 12/24 hour time display modes. * EXB expanded bass. * Battery Backup.