Vivid And Wonderful Sound HiFi Sound Quality Low Power Consumption ENC Noise Reduction Model X60 bro Bluetooth earbuds Bluetooth version 5.3 Bluetooth effective distance 10 meters Charging time 1 Hour Call time 4 - 5 hours Music playing time 4 - 5 hours Battery capacity 30 MAH (Earphones) Battery capacity 300 MAH (Charging box) Net weight 70 Gram