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Brand Name: OEM Model Number: IR-900 Style: Headband Communication: Wireless Function: Bluetooth Place of Origin: Guangdong China (Mainland) color: black Packaging & Delivery Packaging Detail: color box Delivery Detail: sample within 3 days, large order within 15 days Specifications IR Headphone Dual and One Channe CE listed factory price Dual and One Channe Channel:DualCarrier frequency: a) A channel: 2.8MHz for right channel; 2.3MHz for left channel b) B channel: 3.8MHz for right channel; 3.2MHz for left channel Mode: stereo S/N ratio: ≥70dB Distortion: <1% Frequency response: 20 - 20,000Hz Impedance:32 OhmsSensitivity: -88dBm±3dB
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