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Uses Bluetooth 5.3 for wireless connectivity and stable signal. 
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Supports ENC (Environmental Noise Cancellation) for clearer calls by reducing background noise. 
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Battery & usage: about 4 hours talk / music time per charge; charging case ~300 mAh capacity. 
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Transparent / crystal-style shell design, sometimes with LED display on charging case. 
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Operating range ~10 m, frequency response ~20 Hz to 20 kHz, waterproof rating ~IPX-4. 
