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https://www.hytera.com/me/products/accessories/audio/EAN22.html

Specifications of Hytera EAN22
Specs_Acc_Audio
Weightabout 60g
Colorblack
PTT Keyavailable
VOXYES (enabled when the radio's VOX function opened )
Emergency Keynone
Connector13-pin connector
Microphone Sensitivity-45±3dB@1kHz 3.0V 2.2K,0dB=1V/Pa
Speaker Power10 mW (rated); 300mW (max.)
Speaker Impedance220Ω±15%@1kHz
Speaker Frequency Response117±3dB@1kHz at 10mw
IP RatingIP54
Operating Temperature-20~60℃
Storage Temperature-40~85℃

Now the price of smart talkie is reasonable, if you have needs, please contact us.