... playing time up to 8 hours, supports Bluetooth stereo, TF card, audio inputs.6,Excellent sound quality, shocked bass, audio transimssion ... , MP3,MP4 and other cellphones with Bluetooth etc;Specifications:1.Wireless (bluetooth )2.Rated Power:2.5W*1=2.5W3.Work ... ) or 5V/500mApower supply 9.Material:Allumilum alloy The newly mini Bluetooth Speaker