Sold as 1 Each. Extended wireless range up to 15m (50ft) through the 2.4 GHz wireless signal. Choice of different equalizer settings by switching between the 3 different EQ presets. Console specific USB transmitter for easy cross-platform compatibility. Safety Data Sheet. Built-in battery provides more than 15 hours of battery life and can be recharged through the USB-C port. Quick and easy mute functionality with the flip-to-mute microphone.