Bluetooth Headphones A4tech 2Drumtek B20 True Wireless

Manufacturer: A4tech Model: 2Drumtek B20 Code: 13031 / 801976

Product Description:

• Type: Headphone
• Connection type: Wireless
• Headphone sensitivity: 102 dB @ -10 dBFS
• Microphone: Yes
• Microphone sensitivity: -42 dB @1 kHz/Pa
• Microphone frequency range: 100 Hz - 10 KHz
• Working radius: 10 m
• Working time: 5 hours (music playing time); 20 hours (case)
• Bluetooth: Yes
• Headphone frequency range: 20 Hz - 20 KHz
• Charging time: 1.5 hours (earbuds); 1.5 hours (case)
• Battery capacity: Capacity: 40 mAh (earbud); 380 mAh (case)

Physical parameters:

• Weight: 39 g
  
• Color option: green/white