Calltel Mono-Ear Headset With Mic -HW351N

The Calltel HW351N Mono-Ear Noise-Cancelling Headset with Quick Disconnect Connector is a great option for a full day at the office. It features a noise-cancelling microphone and a quick disconnect connector for ease of use and convenience. It features an ergonomic comfortable design with adjustable headband that allows you to wear it for a long time, making it perfect for all day working hours. For extra safety it features acoustic shock protection which limits the acoustics. The earpiece itself features a soft leatherette ear pad which can be replaced if needed.

• Please note quick: disconnect connector accessory cable must be purchased separately depending on your setup and connection preference.

FEATURES:

• Noise-cancelling circuit
• Super-Pro sound quality
• The cable is durable, can bear 20KG pull, rotate more than 60000 times, 345°
• Broadband design enhance audio
• Acoustic Shock Protection
• Adjustable headband
• Replaceable soft foam earpad
• Quick disconnecting (QD) connector, protecting the headset and Phone/PC

SPECIFICATIONS:

• Microphone: Permanently polarized condenser microphone
• Impedance: 1.0KΩ
• Work Frequency :70 ~ 10k Hz
• Sensitivity: -40dB ± 2dB (f = 1KHz, 0dB) (RL = 2.2K Vs = 3.0V)
• Current consumption@ 2.2V (μA): < 300
• Current consumption: 800μA
• Receiver:
• Impedance: 300Ω ± 10Ω
• Output sound pressure: 105dB ± 5dB
• Work Frequency: 20~ 20k Hz
• Max Input Power: 20mw
• Interface: Quick Disconnect Connector