model: MXEP48
Wireless: V5.4
Talk time: 4h
Music time: 4h
Battery box charging time: 2h
Battery box capacity:3.7V 300mAh
Earphone battery capacity: 3.7V 25mAh
Speaker Power: Rating 3mW receiver sensitivity: -86dBm
S/N: >90dB
Speaker type: 13mm@32 ohm
Working range: 10m
frequency response: 100Hz~20KHz working frequency: 2.402GHz-2.480GHz
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