Calltel T800 Mono-Ear Noise-Cancelling Headset Dual 3.5mm

The Calltel T400 Mono-Ear Noise-Cancelling Headset is a great affordable headset that is comfortable as it is affordable. It features a noise-cancelling omnidirectional microphone that automatically adjusts volume 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.

Features:
- Noise-cancelling microphone
- The cable is durable, can bear 20KG pull, rotate more than 60000 times, 345°
- Acoustic Shock Protection: Acoustic limiting for protection
- Adjustable headband
- Replaceable soft leatherette ear pad

Specifications:
- Microphone: Permanently polarized condenser microphone
- Impedance: 1.0K?
- Work Frequency :100 ~ 10k Hz
- Sensitivity: -40dB ± 2dB (f = 1KHz, 0dB) (RL = 2.2K Vs = 3.0V)
- Current consumption@ 2.2V (?A): < 300
- Current consumption: 800?A
Receiver:
- Impedance: 300? ± 10?
- Output sound pressure: 105dB ± 5dB
- Work Frequency: 20~ 18k Hz
- Max Input Power: 20mw
- Interface: Dual 3.5mm

What's in the box
1 x Calltel T800 Mono-Ear Noise-Cancelling Headset Dual 3.5mm - Black