A4Tech RH-200

Brand: A4Tech
Description: Connection type: wireless, headphone type: full-size, connector: USB, microphone functions: noise-canceling microphone
Additional Information: Headphone volume control
Battery capacity: 300 mAh
Connection type: Wireless
Battery life: 8 h
Connector: USB
Battery type: Li-Ion batteries
Sensitivity: 90 dB
Charging time: 18 h
Mount type: Headband
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Microphone mount: Fixed
Headphone type: Full size
Data link: Radio channel
Wireless headset range: 10 m
Microphone functions: Noise canceling microphone
Membrane diameter: 30 mm