Shanghai U-card  Technology Co.,Ltd.

Shanghai U-card  Technology Co.,Ltd.

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    GPRS cloud speaker

    describe:    With GPRS connected to cloud speaker,it can broadcast in seconds.The amount of broadcast is loud and accurate.In noisy environment,it can also broadcast clearly to avoid mi

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    describe

        With GPRS connected to cloud speaker,it can broadcast in seconds.The amount of broadcast is loud and accurate.In noisy environment,it can also broadcast clearly to avoid missing orders!


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