Dispatched with Royal Mail 1st Class. Specifications Model Number: EP-B40 Technology: BT 4.1, A2DP, AVRCP, HSP, HFP, aptX Microphone Noise Reduction: 6th generation dual-mic cVc Microphone Sensitivity: -42dB ±3dB Frequency Range: 20Hz-20KHz Input: DC 5V Charging Time: 1.5 hours Play Time: Up to 8 hours Battery Type: Li-Polymer (2 x 60mAh) Operating Range: Up to 10m / 33ft EP-B40
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