Bluetooth Function: Efficient enough, the wireless Bluetooth are easy to connect with other devices The rechargeable trolley speakers offer truly high-quality music listening experience<br />Remote Control: Adjust mic volume, echo, bass, and have Tweeter control over your speaker with the remote control You can also very easily adjust volume, song order and mute off functions<br />Other Important Features: This Bluetooth speaker also comes with a recording function and LED Display It has a colorful LED Disco Light and Digital Karaoke so all your parties are sorted The rechargeable battery allows you to enjoy music all day long<br />Specifications: This Remote Control Trolley Speaker has a 60W Audio Output Power It is a 12 Inch speaker with 4 Ohm Nominal Impedance It has a frequency response that ranges from 40Hz to 20,000Hz">