5W Bluetooth Speakers, Computer Speakers, Built-in 1800mAh Rechargeable Battery, FM Function Mic, Audio Jack, Micro USB Slot, Support TF Card, for Smart Phones, and MP3 Music PlayersTouch screen Double 5W speakers and enhanced BASS  Combined with resonator for high quality sound Bluetooth wireless speaker  Bluetooth2.1+EDR, support HSP,HFP,A2DP and AVRCP Built-in rechargeable battery  Up to 10 hours playtimeThe volume will affect the time by rechargeable battery with 1800mAh capacity Volume up /downCH+/CH- controlSmart voice reminding, easy and convenient to operate Sensitive touch button easy to control, Support TF card, USB, AUX, FM and Hands free