Bluetooth Chip:JL7003 Bluetooth Version:V5.2 Drive Unit:40mm Transmission Distance:≥10m Standy Time:About 180days Battery Capacity:200mAh Charging Time:About 2H Music Time:About 18H(75% Volome) Call Time:About 18H(75% Volume) Frequence Response: 20HZ-20KHZ Sensitivity: 108DB±3DB 3 Months Warranty
