LOGITECH Wireless Headset Mono H820e 981-000512

Logitech H820e Wireless headset Model 981-000517

Up to 300-foot range
Up to 10 hours of talk time
All-day comfort

TECHNICAL SPECIFICATIONS
Microphone (Tx)

Type: Bi-directional ECM
Frequency response: 100 Hz – 7 KHZ
Sensitivity: -45 dB +/- 3 dB
Distortion: <10% @ 1kHz, 10dBPa (MRP) input Operating voltage: 1.4 – 5.0V DC Speakers (Rx) Frequency response: 150 Hz – 7kHz (ITU-T TIA920) Sensitivity: 103dB ±3 dB at 1KHz, Input 1mW/ Type 4153 artificial ear Distortion: < 4% @ 1kHz, 0dBm0, 1kHz Battery Type: Lithium-ion Weight: 9 g Capacity: 430mAh