Mini Speaker 1.Material: PP 2.Usage: MP3,Laptop,Mobile Phone 3.Portable speaker with USB 4. Fashion Design,Lowest price Mini Speaker1.Dimension:8 ± ohm At 1000Hz202.Rated Impeedance: 1W/ Pink Noise3.Power Supply Vollage:1W x 24.Resonant Frep:400 ±20%Hz5.S.P.L: 88 ± 3 dB6.Compact, light weight, portable Mini Speaker