2.4G drahtlose Kopfhörer mit Mikrofon

2.4G wireless headphone with MIC Speaker: 40mm magnet: neodymium Matched cable plug: 3.5mm matched cable: 1.5m Sensititity: 114dB Impedance: 32Ω Frequency Response: 20-20,000Hz battery: 12 hours carrier frequency: 2.4G mode: GFSK USB transceiver: built-in USB sound card which passed Microsoft company MIC: (frequency:20-16,000Hz, Sensititity:-50dB +/- 3dB) signal to noise ratio: >80dB distortion: <0.1% range: about 30m, 360° 1)speaker:40mm 2)magnet:neodymium 3)Matched cable plug:3.5mm 4)matched cable:1.5m 5)Sensititity:114dB 6)Impedance:32Ω 7)Frequency Response: 20-20,000Hz 8)battery:last 12 hours 9)carrier frequency:2.4G 10)mode:GFSK 11)USB transceiver:built-in USB sound card which passed Microsoft company 12)MIC:(frequency:20-16,000Hz, Sensititity:-50dB +/- 3dB) 13)signal to noise ratio:>80dB 14)distortion:<0.1% 15)area: about 30m, 360°