Color : White Material : PC + ABS Version : 5.0 Communication distance : 10m Standby time : 300hours Music time : About 5 hours (70% of volume) With charging case : About 30 hours Battery acpacity : 50mAh0.185Wh (Earphones) 500mAh/1.85Wh (Charging case) Earphone rated input : DC5V=80mA Earphone rated consumption current : 10mA Charging box rated input : DC5V=500mA Charging case rated consumption current : 160mA Charging time : 1.5hours Wireless charging time : 1.2hours Frequency response range : 20Hz-20KHz Charger interface : Type-c