New Universal Mini Sport Wireless Bluetooth Handsfree Stereo Headset Headphone Earphone With Micro SD Card Slot Mp3 Player (Gold)

Specification:Model:Mini 503Weight:40gVoltage:3.7VColor: red, blue,champagne,white,goldenChannel :stereoTalk Time:14 hoursMain Chip:3.0 + EDRSpeaker:30 speakerStandby Time:250 hoursBluetooth Version:V3.0 + EDRCompatible With :V2.1, V2.0, V1.1Charge / Discharge protection:ICBattery Rechargeable:Lithium PolymerFrequency Range :2.4GFrequency Response Range:20-20KHZTransmission Power:Class2Transmission Frequency:2.4GHzTransmission Distance:10 metersAverage Sensitivity:105DB (AT 1KHZ +3 DB)
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