CWORLD Defunc True Basic Black

Specifications :
• Bluetooth : 5.0
• USB-C
• Battery time : 3-4 h
• Phone Call : <2h
• Standby time : <58 h
• Charging earbud : 1,5 h
• Sensitivity : -10+/-4dBlat 1KHz Vs=2.0V RL=2.2KQ
• Frequency range : 50-100000Hz
• Speaker dimension : 13mm
• Impedance :25Ω±15%
• Sencitivity grade : 117±3dB At 1kHz 0.158V
• Frequency Response Range : 20HZ-20KHZ
• Power rating : 3mW/MAX. 10mW
• Distortion : 5% Max. At 1.0kHz,1mW