Product Description Item Name S3 Bluetooth 5.0 Headphones Specification 1, Bluetooth chip V5.0 IPX4 waterproof Magnet neckband 2, Bluetooth protocol: HSP V1.2, A2DP V1.2, AVRCP V1.4, HFP V1.6, DI V1.3; 3, Bluetooth effective distance: 10 meters 4, battery: polymer battery 3.7V 220mA; 5, Headphone Dr...
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