Description Model no.Ms1bt Versionv4.1+edr Colorgold, rose gold, silver, black Standby time400 hours Holding time2.25 hours Effective distance10m Device namems1 Password0000 Feature Wireless Small and light, to wear more comfortable Portability charge device Multifunction for one key, available for two mobile phonereport the phone number of incoming call, redial the last call
