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K7 Swimming Bone conduction earphone/ Small MOQ Customization
Waterproof Level: IPX8 Bluetooth version :5.4 Battery :280mA Horn: Bone conduction Playback time: Approximately 10 hours Call duration: approximately 10 hours Standby time: approximately 500 hours Charging time: Approximately 1.5 hours Function :IP68 waterproof, with 32GB of built-in memory
Description
