Technical Details: Loudspeaker output: 2W Sensitivity: 82± 3dB Loudspeaker Impedance: 4Ω ± 15% Distortion: 0.5% Lithium battery output: 3.7V Lithium battery input: 4.2V+0.05V Dimension: 6.0CM*2.5CM*4.5CM Product details: Product size: 6x2.5x4.5cm 1PC/ blister card 42x38x60cm/ 90PCS 9KGS/ 10KG |