PoweR Output : 5W Battery Capacity : 1200Mah Speaker Size : 3Inch Play Time : UP To 4Hours TF CARD : Insert TF CARD To Play MP3 Music AUX : use Cable with 3.5mm Plug Connect the AUX USB : Insert Udisk to Play Mp3 Music USB : insert Udisk/Flashdisk to PLay MP3 Music Bluetooth : support Handphone / PC /Laptop High Capacity Rechargeable Lithium Battery Sipport various audio inputs : memory card ,AUX , USB with Main Volume Control