Duke Plus ANC True Wireless Bluetooth Earbuds
Bluetooth specification: Bluetooth V5.3 Jelly AC6973
Support protocol: Headset Hands-free A2DP Avrcp
Transmission range:10m Transmission frequency: 2.4GHz
Speaker:13M Impedance:3215%.
Frequency Response:20~20000Hz
Sensitivity:3db (98db)
Charging voltage:DC5V Charging time:about 1 hour
Charging box battery capacity: 300mah left and right ear battery capacity of 40 size: 62.5 * 48 * 26mmmah
Talking time:about 7 hoursMusic time:about 7 hours
Net weight: 72g (including charging compartment) Bare machine weight: 4.2g (single ear)
Electricity display (support Apple mobile phones and some Android mobile phones)