Price:Negotiable

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1. New kind of head-band
2. Durable and light weight design for wearing comfort
3. Newest structure for part of microphone whirling flexibly

Specifications:
* Loudhailer diameter: 40mm
* Frequency range: 20~20,000Hz
* Sensitivity: 110dB
* Impedance: 32 ohms
* Cable length: approx. 2.5m (volume control)
* Maximum power input: 100mW
* Plug (mm): 3.5 stereo

Microphone:
* Type: electret condenser microphone
* Polar pattern: omnidirectional
* Impedance: low
* Sensitivity: -58dB
* Operating voltage: 3V
* Frequency response: 30-16,000Hz