Power supplier: DC 5V
Output power: 3W (1KHz, THD10%)
Distortion ≤ 0.5%
Signal & noise ratio ≥ 80dB
Impedance: 4 OHM(Ω)
Speaker unit: 31mm
Case material: Plastic cement
Lithium battery capacity: 300mAh
Dimensions: 38*38*54mm
Colors: Black, white, yellow, green, purple