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    ELECTRIC EARMUFFS WITH MULTIFUNCTION

    HEM-3205
    1. Premium noise attenuation at 29 dB
    2. Bluetooth technology 5.0 version
    3. automatic cutting off function when exterior noise hits 82 dB
    4. SMART technology to suppress harmful high noise and amplify low-level sounds, reduces background noise for clearer conversation and hearing of commnands
    5. Includes aux input and 3.5mm connection cord for mp3 player or other audio devices
    6. Voice assistant for easy set-up and guidance, hands-free
    7. Certifications:
    EN352-1: 2020
    ANSI S3. 19-1974


    RELATED PRODUCTS
    HEM-3205C

    HEM-3205C

    REFERENCES


    D E S C R I P T I O N
    		COLORITEM#
    Electric Earmuff-Bluetooth Functioned
    HEM-3205


    Tested according to EN 352-1:2020
     Attenuation data

    Frequency(Hz)
    125
    250
    500
    1000
    2000
    4000
    8000
    Mean attenuation(dB)
    15.2
    19.3
    27.7
    34.7
    32.8
    35.5
    39.0
    Standard deviation(dB)
    2.7
    3.2
    2.9
    2.2
    3.3
    3.7
    3.9
    Mean-Minus-Std Deviation(dB)
    12.4
    16.1
    24.8
    32.5
    29.6
    31.7
    35.1
    SNR= 29dBH= 32dBM= 27dBL= 19dB
    SNRm = 30.7dB  Hm = 34.2dB  Mm = 28.7dB  Lm = 21.3dB
    SNRs  = 1.9dB  Hs  = 2.7dBMs  = 2.1dBLs  = 2.4dB


    Tested according to ANSI S3.19- 1974
     Attenuation data

    Frequency(Hz)
    125
    250
    500
    1000
    2000
    4000
    8000
    NRR
    Mean attenuation(dB)
    15.2
    19.1
    27.0
    34.1
    34.5
    37.0
    39.6
    24db
    Standard deviation(dB)
    2.6
    1.9
    1.9
    2.4
    2.7
    3.0
    3.1


    CSA Class=A

    TECHNICAL INFORMATION

    Bluetooth Version
    Static Current
    Support Protocols
    Speaker Frequency Response
    Transmitting Power
    Bluetooth Version 5.0
    20uA
    HSP 1.7;HSP1.2 A2DP 1.3; AVRCP 1.6, SPP1.2 and PBAP 1.0
    32+/-3
    6dbm
    6dbm Sotryage Temperature
    Call Life
    Working Temperature
    Charging Time
    Working Humidity
    -10-+50C
    >30 Hours
    >30 Hours
    5.5 Hours
    < 80%
    JINHUA YUXIN SAFETY PRODUCTS CO..LTD
    JINHUA YUXIN SAFETY PRODUCTS CO..LTD
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