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Bluetooth Headset, Riwbox AB005 Wireless Headphones 4.0 with Microphone Foldable Headphones with TF Card FM Radio and LED light for Cellphones and All Bluetooth Enabled Devices (Black&Blue)

 

  • Speaker diameter: 40mm
  • Speaker impedance: 320hm
  • Speaker sensibility: 108db+/-3db
  • Frequency response: 20-20000Hz
  • Working voltage: 3.1-4.2V
  • THD: Mic sn ratio: 40db
  • Mic freq response: 100Hz-80KHz
  • Speaker impedance: 32~
  • Max. output power: 12Mw
  • Operation range: 10M/360
  • Material: Plastic
  • Color: Black Weight: 210g Dimension: 176 x 120mm