product description:
Product Parameters: Input Voltage Range: DC3.5V-5.5V
Maximum Current: ≤40mA
Battery Type:Built-in 400mah Polymer Battery
Charging Time:<4hours
Continuous Working Time :≥10hours
Frequency Band: 2400-2483Mhz
Modulation Method: GFSK
RF Transmission Power : 10dBm
Transmission Distance: 40m(Unimpeded&Open area)
RX Sensitivity: -88dBm
Sampling Frequency: 16KS/s
S/N Ratio:≥65dB（f=1kHz, P=1Pa A curve）
What s in the package: 1*Handheld microphone
1*Removable earhook
1*Signal receiver
1*USB charge cable
1*6.35mm exchange plug for receiver
1*User maual
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