Freeshipping High quality smart translation bluetooth 4.1 in-ear wireless earphone support 22 national languages translation with APP

Sensitivity: 60dB Function: Sport Function: For Mobile Phone Function: HiFi Headphone Function: Common Headphone Line Length: None Waterproof: No Connectors: USB Style: In-Ear Active Noise-Cancellation: No Plug Type: Wireless Vocalism Principle: Dynamic Communication: Wireless Control Button: No Wireless Type: Bluetooth Volume Control: No Frequency Response Range: 20-2000Hz

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