<p>• Up to 1100ft LOS &amp; Distortion, &lt;1% Solidcom C1 Full-Duplex Wireless Intercom Headset is Hollyland's first true wireless System with NO Beltpack or Base Station. You can add more remote headsets to build a 8-user system without a HUB. Adopting the latest technology in 1.9GHz frequency, the C1 headset supports up to 1100ft LOS range with only a 40ms delay.<br><br>• Stable Connection &amp; Security, Built on a stable platform with powerful Encryption technology, the Solidcom C1 headsets prevent people outside the system from hearing your conversation. Designed with a dual-antenna diversity scheme that enhances anti-interference capability, and guarantees secured and constant team communication even in complex scenarios.<br><br>• Wideband Clear Audio Quality &amp; Acoustic Echo Cancellation, Solidcom C1 wireless headset supports wide frequency response from 150Hz to 7KHz with premium AEC performance, ensuring authentic and clear audio quality for effective teamwork. Its electret directional microphone captures the speaker's voice precisely while minimizing the environmental noise.<br><br>• Up to 10H Runtime &amp; Replaceable Battery, Each Solidcom C1 intercom headset comes with 2 lithium batteries for convenient replacement on set, keeping the system running with minimal downtime. Each battery takes only 2.5h for a full charge and can work for about 5h-6h each. The indicator light shows in Red and you can hear a voice reminder when the battery is low.<br><br>• 168g &amp; Blind Operation Experience, Comfortable to Wear &amp; Ready out of the box. Solidcom C1 headset is exquisitely crafted with PC-ABS materials, lightweight, flexible and durable. Auto mute by lifting the mic boom. The concave and convex design of volume buttons provides a blind operation experience, making your work more comfortable and convenient.</p> <p>• Hollyland SOLIDCOM C1 PRO Wireless Intercom<br><br>• Push-to-Talk Wireless Intercom: Beyond the Walkie-Talkie Experience<br><br>• 24-hour Long Duration: Each Headset comes with an Extra Battery-Never Run Out of Power<br><br>• Active Environment Noise Cancellation<br><br>• Up to 1100ft (350m) Transmission Range<br><br>• Full Duplex Communication<br><br>• Backward Compatible with the First Generation Solidcom C1<br><br>• 1 Years Manufacturer Warranty</p> <p>Room Temperature</p> <p>China</p>