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★★★ Small gifts for customers ★★★
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Feature:
1. Noise Cancelling: Telephone headset with flexible high definition microphone for large, clear sound. Less noise, even in noisy environments, provides clear conversations.
2. All Day Comfort: Phone headphone is ultra light, with soft ear cushions and a flexible headband that will not put any burden on your ears. Good for long conversations.
3. Easy To Use: Wired telephone headset, standard RJ9 plug, plug and play, no driver required, easy to use, suitable for VOIP phones, landline, etc, to meet all your daily needs.
4. Durable Structure: Unilateral headset has a sturdy structure and materials that ensure excellent performance and are durable. The long cable provides flexibility on the move.
5. Compatible: The headset works with devices with an RJ9 headphone jack. Ideal for home, office, call center, telemarketing, customer service, conference calls and more.

Specification:
Item Type: Telephone Headset
Material: ABS
Model: H390 RJ9
Color: Black
Type: Single Ear
Plug: RJ9
Function: Call
Scope of Application: Compatible with Devices with RJ9 Headphone Jack
Speaker Parameters:
Sensitivity: 105±3dB (at 178mV 1kHz)
Voice Coil Impedance: 150±15Ω (at 1kHz)
Frequency Characteristics: 100Hz-10kHz
Distortion: ≤5% (at 178mV 1kHz)
Microphone Parameters:
Directivity: Single Point
Sensitivity: -40±2dB (2.0V, 2.2KΩ, 1kHz)
Distortion: ≤5% (at 4.5V 2.2KΩ 1kHz)
Frequency Characteristics: 200Hz-6kHz
Current Consumption: 100-500µA

Package List:
1 x Telephone Headset

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