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Features:
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1. Chip: AB5656, Bluetooth 5.3, more stable connection
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2. Headphone battery: 30mAh * 2
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3. Music playback time: 4-5H, call time: 3-4H, charging compartment battery: 300mAh, total battery life: 16H
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4. Horn: 13mm, 25 Ω
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5. Earphone IPX4 (nano waterproof), not afraid of splashing water in daily life
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6. Single microphone ENC, high-definition calling
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7. Ergonomic design, semi in ear, long-lasting without pain, unable to shake off vigorously