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A4 B20 TWS EARBUDS GRAY
Product ID: 71147 • Vendor_url: https://www.a4tech.com/product.aspx?tid=42&id=312 • Manufacturer: A4Tech • Model: B20 • Type: Wireless • Frequency: 20 Hz-20 kHz • Specifications: Speaker Size: 13 mm;Earphone Sensitivity: 102 dB @ -10 dBFS;Mic. Sensitivity: -42 dB @1 kHz/Pa;Bluetooth Version: v5.2;Operation Distance: 10 m;Earphone Battery Type: Lithium Battery (40 mAh);Charging Power: 5V=500mA • Color: Grey • Weight: Earphones weight: 4g;Weight: 39g • Warranty: 24 Months
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