Product details of Lenovo XT90 TWS True Wireless Bluetooth 5.0 Earphones Touch Control Mini Earbuds Sport Handsfree Headset
Bluetooth version: V5.0
Transmission range: 10m
Headphone battery capacity: 35mAh / 3.7V
Charging box battery capacity: 300mAh / 3.7V
Listening time (used with charging box): 20 hours
Earphone charging time: 1.5 hours (plug in)
Earphone listening time: 1.5 hours (actually depends on the volume)
Standby time: 300 hours
Interface: Type-C
The charging box provides charging times for the headset: 3 times
Headphone rated input: DC 5V 20mA
Rated current consumption of earphone: 10mA
Frequency response range: 20Hz-20KHz
Material: ABS                                    

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