What is BJBJ A70 Pro ANC/ENC TWS earphone?
Bluetooth:V5.3 Talk Time:4H Stand-by Time:120 Days Earphone Charging Time:1.5 H Case Charging Time:1.5 H Charging Voltage:DC 5V Transmission Distance:10-15M Earphone Music Time:5-6H Frequency Range:20-20000Hz Earphone Battery:33mAh Charging Case Battery:300mAh