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, call hands-free ● 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 Bare machine size: 205*63*85mm color box size; 218*64*94mm net weight/gross weight/set: 504g/572g/ PCS 50 PCS The spot