XASTON EARBUDS PureTone Pro NB74

Bluetooth Version : 5.3
Transmission distance : >10M
Speaker type : 013mm 32ohm
Audio Frequency(S/N) : >96dB
Frequency response : 50Hz~1OKhz
Input : 5V-300mAh
Earbuds battery capacity : 40mAh
Earbuds Charging time : 1.5 hour
Charging case battery capacity : 500mAh
Charging case charging time : 2 hour
Music playing time : 30 hour
Talk time : 5 hour
Support Bluetooth profile : HFP/HSP/A2DP/AVRCP