M103 Noise Cancellation For Talking Bluetooth Headset

• Material:PC+ABS
• Noise Isolation:Passive;Call:DSP environmentalnoise

  cancelling
• Driver size:40mm
• Impedance:32Ω±15%
• Sound Pressure level:114dB±3
• Frequency Range:20Hz to 20KHz
• Max Distortion:≤3%
• Bluetooth Version:Bluetooth V5.1
• Bluetooth Profile:AVRCP,A2DP,HSP,HFP
• Audio Technology:aptx,AAC,SBC
• Operation Range:10m,Class 2 
• Microphone:omni-directional,
  -38dB±1dB
• Controls:Call,Track selection,Volume,

  Siri activation by button
• Battery:400mAh,Lithium polymer type
• Battery Life:33hrs
• Charging interface:Type C
• Charging time:2hours
• Dimension:197.54*174.78*68.55mm
• Weight:223g