earbuds in Pakistan

Bluetooth: 5.0
Effective distance: 10m
Charging pin: Micro USB
Frequency response: 20HZ-20KHZ sound
Sensitivity: 107db±3db
Support Agreement: HSP/HFP/A2DP/AVRC
Headphones: 45mA capacity
Charging bin: 350mA
Standby time: about 20h
Music time: about 25h Endurance
Call time: about 2.5h
Charging time: about 40min~1h