wireless gaming headphone G2

Speaker type: dynamic/diameter ø50MM Input resistance: 32Ω
Rated power: 20mW
Maximum input power: 100mW
Frequency range: 20Hz to 200KHz
Rated sensitivity: 110dB±5dB
Left and right balance: 1dB
Microphone rated sensitivity: -38dB±2dB Microphone impedance: RL=2.2KΩ Directionality: Omnidirectional
working voltage: 5V