Features:Wireless Technology :Bluetooth V4.0With Voice Dial & Redial, Multi-points-2Earpiece & Design :Single & Ear-HookTransmission distance:10M Compatibility : Bluetooth enabled cell phone, tablet etcConnect with 2 phones and use at the same time Support volume adjustmentCall English newspaperStereo sound Switch machine voice promptSuper-long standbyCVC double noise reductionA perfect connection

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