xt11 magnetic sports bluetooth earphone stereo earpiece with mic for iphone 8 noise reduction in-ear wireless bluetooth headsets

features: light weight for all day comfortable. easy use and carrying . bluetooth 4.2. high fidelity speaker, excellent call quality. free call and listen music function. bluetooth effective distance:10 meters distortion degree: 1%. recharging voltage: 5 v. package weight (kg): 0.06 kg. build-in rechargeable li-battery. it has amicrophone. you can talk to people using the bluetooth earphone. please check. thanks specifications: color: blue black silver gold bluetooth version: c...