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Chipset: Jerry 7003D8 with advanced noise reduction and in-ear light sensing detection
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Bluetooth Version: 5.4 (Supports Binaural Calls)
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Working Frequency: 2.402–2.480 GHz
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Supported Protocols: A2DP, AVRCP, HFP, HID, AVCTP, AVDTP, SPP
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Transmission Distance: Up to 15 meters (barrier-free)
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Frequency Response: 20Hz–20,000Hz
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Speaker Unit: F13 titanium diaphragm, 32Ω±15%, 7.118±3 dB at 5mW
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Microphone: 2718 silicon microphone with sensitivity of -42±3 dB
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Charging Input: Contact, DC 4.75–5.25V
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Battery Type: 3.7V polymer battery with protection board (3C fast charging)
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Charging Time: 1 hour
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Headset Battery Life: 4 hours of continuous playback at 100% volume
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Charging Case: Stores multiple charges for extended use
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Weight: 140 grams
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Made in: China
Experience superior sound with Active Noise Cancellation, smart in-ear detection, and long-lasting battery life with the A9 Pro ANC.
