MX-75 Wireless Earphone

Model : MX-75Function :ENC with Ear on off optionBluetooth version :5.3 with touch controlStand by time :220 hours.Talk time :48 hours with voice change functionSpeaker :listen to music for 40 hoursCharging time of charging box :about 1.3 hoursCharging case power :280mAhType c Charging :type-cTransmission Distance :12m with metal ear