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Headphone A4tech 2Drumtek B20 True Wireless Earphone Grayish White
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Product description
- Brand: A4Tech
Headphone features
- Connection type: wireless
- Headphone sensitivity: 102 dB @ -10 dBFS
- Microphone: Yes
- Microphone sensitivity: -42 dB @1 kHz/Pa
- Microphone frequency range: 100 Hz - 10,000 Hz
- Working radius: 10 m
- Working time: 5 hours (music playing time); 20 hours (case)
- Headphone frequency range: 20 Hz - 20 KHz
interface
- Interface: Bluetooth
food
- Charging time: 1.5 hours (headset); 1.5 hours (case)
- Battery capacity: 40 mAh (headset); 380 mAh (case)
physical characteristics
- Weight: 39 g
- Color: White
color
White
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