phoning wireless earphone
Bluetooth version: V5.3 Talk time: 3.5 hours Music playback time: 4.5 hours Charging time: 2 hours Earphone battery: 30mAh Charging case battery: 300mAh Bluetooth range: 10m Frequency response: 20-20KHz Wireless charging Built-in microphone Hands-free call HIFI sound quality Wireless connection
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