2019 New Original Headphones with Microphone Bluetooth Wireless Earphone for Apple Phone

 
Specifications:
Bluetooth version: 5.0 version
Transmission distance: Outdoor linear distance of 10-18 meters
Battery capacity: polymer lithium battery 40mah
Charging box battery capacity: 400mah
Listen to music time: 2.5 hours up / down song / pause playback
Talk time: 2 hours
Standby time: 130 hours
Charging time: 1-2 hours
Working current: 22MA
Standby current: 4uA