国内揄拍国内精品人妻

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            Home Product HeadphonesBluetooth Headphone

            Specification of bluetooth
            Bluetooth version: V3.0+EDR
            distance: 10m
            Range of frequency: 2.4-2.4835GHz
            TF card supported: 128M-32G
            FM frequency response: 87.5-108MHz
            Specification of headphone 
            Speaker: ¢40mm
            Sensitivity: 115dB S.P.L at 1KHz
            Impedance: 32ohm
            Frequency response: 20Hz-20KHz
            Rated power: 40mW
            Cable length: 1.5m
            Microphone Unit: 4.5mm×2mm -58dB±3dB
            Plug type: ¢3.5mm stereo
            Rechargeable lithium battery: 550mAh
            Charging time: less than 3 hours
            Normal volume playing time: 10h
            Standby time: 180h 


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            国内揄拍国内精品人妻

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