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Dual-Band Wi-Fi: Supports 2.4 GHz & 5.8 GHz networks for flexible coverage and high-speed performance
High-Speed Wireless: Ideal for HD streaming, gaming, video calls, and file transfers
Plug-and-Play: Simple USB installation, no complex setup required
Compact & Portable: Sleek design fits laptops, desktops, and IP phones without external antennas
Secure Connection: Supports WPA/WPA2/WEP encryption for safe internet use
Wide Compatibility: Works with Windows, macOS, and Linux (driver may be required for some OS)
Lightweight: Only ~20 g, making it easy to carry or install discreetly
Interface: USB 3.0 (backwards compatible with USB 2.0)
Wireless Standards: IEEE 802.11ac/a/n/g/b
Frequency Bands: 2.4 GHz & 5.8 GHz
Max Speed: ~1200 Mbps (combined)
Security: WPA/WPA2/WEP
Dimensions: Compact USB stick (~60 mm x 18 mm x 10 mm)
Weight: ~20 g
The Dahua ARD821-W2 is a compact wireless panic button designed for Dahua alarm systems, allowing users to send an instant emergency alert when pressed. It is ideal for homes, offices, shops, and reception areas where quick alarm activation is important.
The device uses two-way RF communication to ensure reliable signal transmission and confirmation from the alarm hub. It features LED indicators for status and battery alerts, plus protection against accidental presses to reduce false alarms. Its small, portable design allows it to be carried or wall-mounted for easy access.
With secure encrypted wireless communication, long transmission range, and long battery life, the ARD821-W2 provides a simple and dependable way to trigger emergency alarms within a Dahua wireless security system.
Dual-ear design for immersive sound
Built-in microphone for clear voice communication
Adjustable headband with padded earcups for comfort
Lightweight and durable for long-term use
Universal compatibility: PC, laptop, tablet, IP phones
Ideal for calls, online classes, video conferencing, and multimedia
🎧 Wireless Bluetooth Connectivity – Seamless pairing with Bluetooth devices
📞 Built‑In Microphone – Clear voice quality for calls
🔋 Long Battery Life – Extended listening and talk time
🕹 Onboard Controls – Easy access to volume, play/pause, and call functions
👂 Comfortable Fit – Over‑ear cushioned earcups and adjustable headband
📱 Wide Compatibility – Works with smartphones, tablets, laptops, and more
🎵 Stable Connection – Reliable Bluetooth range for hands‑free use
Model: eScene VT‑9600
Type: Wireless Bluetooth Headset
Bluetooth Version: 5.0 (typical)
Battery Capacity: 300–400 mAh (approx.)
Charging Voltage: 5 V DC (USB‑C / Micro‑USB)
Talk Time: Up to 8–12 hours (varies by use)
Music Playback Time: Up to 10–15 hours
Standby Time: Up to 200+ hours
Charging Time: ~2 hours
Speaker Size: ~40 mm driver (approx.)
Frequency Response: 20 Hz – 20 kHz
Weight: ~150–220 g
Color: Black
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