black red blue ● bluetooth solution: jerry 5.0 ● output power: 5W*2 Low horn: 4 Ω 5 w 52 mm ● input sensitivity: 400mV ● separation degree: ≥90dB ● signal-to-noise ratio: ≥80dB ● working voltage: DC 5V ● battery capacity: 1200 mah ● built-in bluetooth wireless transmission, hands-free calls ● stereo audio transmission protocol (A2DP V1.2) ● supports playing MP3 songs stored in the TF card ● supports all audio input from the external 3.5mm terminal ● support FM automatic search ● support the TWS series function of the metal tie rod antenna Naked machine size: 209*70*78mm color box size; Box size: 45*40*45.5cm net weight: 26kg gross weight/box: 27kg PCS/ box: 50pcs The spot