● FEATURES ● Multi-platform, 3-mode gaming headset ● 53 mm drivers provide crisp, clear sound ● Cutting-edge wireless technology with a 20-plug battery life and a 10-meter 2.4G wireless range Durable steel headband and aluminum fork ● Detachable noise-cancelling microphone ● Over-ear, breathable fabric earcups ● 7.1 surround sound channel for excellent positional and distance awareness of objects in-game The product is an ISM band with a frequency range of 8-10 meters (0pen place without obstacles). Its battery capacity is DC. Product Specification 3.7V 750mA ● Charging Voltage: Dc 5V 350mA ● Charging Duration: Approximately 3 hours ● Microphone: ● Drive Unit Dimensions: 6mm X 2.7mm ● Sensitivity: -42±3dB ● Directivity: Omnidirectional ● Impedance: 2.2K OHMS ● Frequency Response: 100~10000Hz(at 1KHz±3dB) ● Unit approximate size & weight: ● Speaker: ● Drive Unit Dimensions: 53mm ● Loading Impedance: 64±15% 0HMS(f=1KHz) ● 0ut Sound Pressure Lever (S.P.L): 113dB±3dB ● Frequency response: 20-20KHZ ● Rated power: 5mW