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Lenovo TW50 Wireless Earphone
Bluetooth version：5.3
Transfer protocol：A2DP
Distance：10m
Frequency：20Hz-20kHz
Impedance：32Ω±15%
frequency：2402-2480MHz
Playing time：4-6h
Earphone battery capacity：35mAh
Charging bin capacity：300mAh
Sensitivity：-32dB±3dB
Color: Black，White
Description
