Product Review
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






![YUWISS Bluetooth Headset [36Hrs Playtime, 2 Batteries, V4.2] Wireless Bluetooth Earpiece for Cell Phone Noise Canceling Car Earbuds Headphones with Mic Compatible with iPhone Samsung Android (Black)](https://m.media-amazon.com/images/I/41OkMDTlWuL._SL75_.jpg)


