A4Tech FBX53C Wireless Keyboard – Dual‑Mode (Bluetooth + 2.4 GHz), Scissor‑Switch, 1 ms / 1000 Hz, USB‑C Recharge, Multi‑Device Wall Chargers Operating Environment: Temperature: 10 to

Operating Environment: Temperature: 10 to 30°C

5A Power Output Approx

Security: Microsoft Defender for personal data and devices

and 2400 DPI for customized control

Audio: Realtek HD 7

A4Tech FBX53C Wireless Keyboard – Dual‑Mode (Bluetooth + 2.4 GHz), Scissor‑Switch, 1 ms / 1000 Hz, USB‑C Recharge, Multi‑Device Wall Chargers Operating Environment: Temperature: 10 toConnection Mode: Dual mode wireless Bluetooth + 2. 4 GHz using nano USB receiver Switch Type: Scissor switch key structure with 2. 0 mm actuation travel for comfortable typing Latency & Polling: 1 ms response time, 1000 Hz report rate via 2. 4 GHz mode 8 faster than standard 125 Hz keyboards Multi Key Rollover: Supports simultaneous key presses without ghosting Device Pairing: Connects to up to 4 devices (3 Bluetooth + 1 2. 4 GHz) with OS layout swap