Features : Appealing, lightweight and easy portability , Multiple Playback Options - BT | USB | Micro SD | FM | AUX , AUX input to connect to speaker with 3.5 mm stereo cable bundled free,Sound Output - 10 W RMS (5 W x 2) , Speaker Driver Unit - 5.7 cm,Battery Charging - About 4 hours , Working Time* - About 8 hours,Package Content : Speaker | Charging Cable | Audio Cable | User Manual,Power On / Off | Call | Mode | Previous / Volume- | Next / Volume+ | Play / Pause,1year warranty