BTversion:V5.3
BT workingfrequency:2402MHz-2480MHZ
BT range:10 米
Input voltage:Type-C DC-5V/1000mA/Sensitivity: -42dB±3dB
Frequency response:20Hz~20KHz
Host battery:25mAh
Charging case battery: 300mAh
Headphone charging time: 1.5H/About 1.5 hours
Charging box charging time: 2H/About 2 hours
___________________________________
1.Bluetooth 5.3, more stable connection
2.Small and portable, delicate touch
3.High-definition power digital display
