Communication distance: about 20 meters (under barrier-free environment)Bluetooth version: V5.0+EDREarphone working time: about 3 hoursHeadphone standby time: about 50 hoursCharging time: about 2 hoursBattery type: polymer lithium ion batterySupport protocol: HFP/HSP/A2DP/AVRCPHeadphone battery capacity: 3.7V 50mahHeadphone charging time: about 1 hour



GR, LESVOY