HomeMusic & VoiceAirBeatBluetooth Headphones DETAIL & DOCUMENTS TECHNICAL SPECS Bluetooth Versionv5.0 Battery Life~4 hours Dimensions16,56 x 41,77 x 17,49 mm Weight3,6 gr Operating Distance~10 meters Charging Time~1,5 hours Charging Box Extra Battery Life~26 hours Charging Box Dimensions73 x 39,19 x 27 mm Charging Box Weight37 gr