A4tech 2Drumtek B27 True Wireless Earphone
| SPECIFICATIONS | |
| Speaker Size: 10 mm | |
| Frequency Response: 20 Hz-20 kHz | |
| Earphone Sensitivity: 102 dB @ -10 dBFS | |
| Mic. Sensitivity: -42 dB @1 kHz/Pa | |
| Earphone Impedance: 32 ohm | |
| Bluetooth Version: v5.2 | |
| Operation Distance: 10 m | |
| Earphone Battery Type: Lithium Battery (40 mAh) | |
| Charging Case Battery Type: Lithium Battery (400 mAh) | |
| Charging Power: 5V=500mA | |
| Earphone Charging Time: ＜1.5H (Low Battery to Fully Charged) | |
| Case Charging Time: ＜1.5H (Low Battery to Fully Charged) | |
| Music Playtime with Single Charge: ≈5H (50% Volume Data) | |
| Playtime from Charging Case: ≈20H (50% Volume Data) | |
| Earphones weight: 4.5g | |
| Weight: 41g |
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Hybrid Diaphragm
Hybrid Diaphragm
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Quick Pairing
Quick Pairing
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Independent Transmission
Independent Transmission
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Voice Assistant
Voice Assistant
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Playback Time 20H
Playback Time 20H
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Water Resistant
Water Resistant
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