Bluetooth, Line in input, USB player, FM Tuner, LED display,Music EQ, Music Bass , Microphone Input, Recharge Lithium Battery, one knob speaker Unit:8"*2 USB charging cable without adapter;3.7V 1500mAh rechargeable lithium battery Product Dimension:190*235*580mm Power: 10W Impedance (Ω):2Ω Frequency Response:55Hz-20Khz Giftbox Size:268*225*600mm CBM/SET: 0.036 Container loading quantity: 20" FCL:777pcs 40"FCL:1611pcs 40"HQ FCL:1888pcs