Fan-Ling Universal Noise Cancelling W/Mic Wireless Blue-Tooth 4.2 Headset,Business Compatible for iPhone,for Android Cell Phones,Driving/Office Single-Sided Earphone (Blue)

Parameter Blue-tooth version: Blue-tooth 4.2 Supporting protocols: A2DP v1.3, AVRCP v1.5, HFP v1.6, HSP v1.2 Chip: Loda AB1523S Horn diameter: 8 mm Speaker impedance: 16 ohm Speaker power: 7mW Battery: lithium polymer battery, 160mAH ...