Bluetooth Version: 5.3V Earbuds battery capacity: 25mAh Battery capacity with Charging Case : 180mAh Standby time 180Hrs Playing time: Upto 40 hours Distance range: 10mm Driver: 13mm Dynamic drivers Chip: Jerry 6983 D2 Charging Port: Type C Main function: Listen to music, make phone calls Speaker Size: 13mm Speaker Impedance (Ω): 32Ω±15% Working frequency: 2.4-2.480GHZ Warranty: 6 Months (Only replacement)