Wireless Stereo Earphones

Wireless Stereo Earphones

3.71$

Model Number: D-20C

* Bluetooth Version: V5.3

* Bluetooth Chip: JL

* Audio range 2.402 GHZ – 2.480GHz

* Emission range≥ 15M

* Mobile phones stereo music player

* Music play time about 10 hours

* Phones call time about 10 hours

* Battery: 3.7V/110mah

* Speaker size: 10mm

* Microphone: -42dB

* Output: 22mW

* SNR: ≥95dB

* Colors: black, blue ,red, green

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    Technical Specifications

    System Linux
    Video Input   4 CH AHD 1080P@25fps/720P@25fps + 1 IPC
    Video Coding H.265/H.264 high profile   dual stream coding
    Video output 1 CH D1 + 1 CH VGA
    Video format PAL     NTSC
    OSD Time, car plate No, position, etc. video overlapping
    Snapshot Yes
    Audio   1 CH input   G.711, G726 audio stream coding
    Positioning   GPS + BDS dual systems,

    Accuracy: ≤ 2.5m ( position ), ≤ 0.1m/s ( speed )

    Wireless communication 4G/3G,   WiFi ( optional )
    Storage  1 x TF ( max 512G )    HDD/SSD ( 1T/2T )
    Peripheral Interface LAN: 10/100<Mbps  6-pin air connector

    USB x 1   RS485 x 1

    I/O: 4 inputs and 1 output

    Indicator lights  alarm, video, recording, platform, positioning, power
    Power Input DC9V~36V
    Power output 12V   5V
    Temperature Range -30~70℃ ( operation )    -40~85℃ ( storage )
    Humidity 93%
    Dimensions 175 x 136 x 70mm

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    wire diamere:0.5-6mm

    weight /roll:0.5kg ,1kg ,2kg ,5kg ,10k

    color :yellow ,green , black,

    surface treatment :pvc coated

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    Face Identification

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    Front Vision Detection

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    Blind Spot Monitoring 

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    Driver Behavior Analysis 

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    A Variety of Recommended Applications

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    Technical Specifications

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    Image sensor 1/2.9  GC2053 CMOS
    Pixels 720P/1080P/25fps     720P/10800P/30fps
    Video output AHD PAL or NTSC format
    Minimum illumination 0.001Lux
    Night vision   Yes
    DNR 3D DNR
    SNR >38dB
    Lens   2.8mm   F1.4
    CRA  120
    Electronic shutter AUTO:  1/50sec    1/60sec
    Sensitivity 6400mV/Lux. S
    Image coloring Color
    Synchronization Internal
    Mirror effect Default mirror image mode, closed via DVR settings
    Interface  4-pin air connector ( 1-VCC, 2-GND, 3,4-video )
    Cable length 2m
    Voltage DC 9 – 16V
    Temperature range -200 ~ 750
    Moisture ≤90%
    IP code IP67 ( waterproof adhesive sealing, SS screws )

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