Compatiable with Bluetooth-enabled smart phones, iPad, or Computers. AC power adaptor to supply power Size:138 X 138 X 69mm Output Power : 3W+3W Frequency : 40Hz-20KHz S/N Ratio : >65dB Distortion : <1% Bluetooth Version : 2.1 Bluetooth Profiles : A2DP,AVRCP,HFP,HSP Bluetooth Range : 10 M Cable : 3.5mm jack audio cable Power Adaptor : AC 100-240V 50/60Hz DC 5V 2.5A 3.2 inch LCD display USB charger Dual super high bass speaker system Built-in Bluetooth Playing music without wire connections Bluetooth hands-free calls FM radio Dual Alarm Clock Snooze