output power: 3 w * 1
magnetic trumpet: 4 Ω 3 w
input sensitivity: 400 mv
degree of separation: 90 db or higher
signal-to-noise ratio: 80 db or higher
working voltage: DC 5 v low built-in bluetooth wireless transmission, low call hands-free function stereo audio transmission protocol (A2DP V1.2)
support playing U disk storage MP3 songs low support TF card store MP3 songs low support external 3.5 mm all audio input terminal
support FM channel automatically
support can charge the battery cycle
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