REMAX RB-T28 Mini Call bluetooth Earphone Single Sports Headset with HD Mic for Samsung

Specification Product model RB T28bluetooth version bluetooth4 2Transmission distance 10MFrequency response 2 402GHZ 2 480GHZOutput sensitivity 6 4dBmMicrophone sensitivity 42DBBattery capacity 80mahResistance 32Rated power 3mwDrive unit 10mmLine length 25mmPlay time 4HStandby time 70hCharging time 1 5hSupport function HFP HSPMusic time 4 hoursTalk time 4 hoursBoot standby time 80 hoursCharging time 1 5 hoursWeight 7 3GHeadphone size 25 29 5 54mmFeatures Ultra thin body HD call Youthful fashion color metallic brushed texture Silicone ear hooks are used with earplugs for a firm and comfortable fit One for two intelligent shutdown the headset automatically shuts down 5 minutes after disconnection The phone displays real time power IOS system only