approximatiive the size of a Mac Mini, the clock has three brightness nivau unfortunately leu indicator for the blutooth is embarrassing if there is no connection blinks if conexion, it stays on. and harmed ca severe flash! its ok. Mini USB plug for the phone / tablet: ca OPERATING bcp is setting, but it is not a base may be, be careful when you enter Your tel. otherwise it's ok. NO RADIO (the shelf / such that founira sound)