(1) Host Dimensions : L 160-w 55-h 35 mm
(2)Carton measurements:  525-260-410 mm
(3)QTY/CTN:60
(4)Output Power: 3W x 2
(5)Speaker Size: 1.5" × 2
(6)Impedance: 4Ω
(7)Frequency response: 150Hz-18KHz
(8)Dual mode power supply
(9)Mobile emergency charging
(10)MP3 mobile phones, SD card TF card