Others
Pixel Pitch 0.124 (H) x 0.372 (V) mm, Working Duration 7 x 16 H, Surface Hardness 9H (Pencil), 7 (Mohs), Surface Glass 3.2 mm Anti-Glare Glass, Transmittance -> 88%, Touch Response Time < 5 ms, Minimum Touch Object-> 2 mm (-> 90% touching area), Touch Precision +/- 1 mm (-> 90% touching area), Camera Function Supports intelligent switching between Android system, OPS, and PC. Field Angle 93.4 Degree (diagonal), 84.5 Degree (horizontal), 54.1 Degree (vertical), Microphone: Sampling Rate 32 K, Mic Depth 16 bit, Speaker Frequency 200-20Khz, Bluetooth Built-in BLE (Bluetooth Low Energy) module supports Bluetooth 5.2, NFC Support card reader, Light Sensor Yes, Wi-Fi AP & Station, 2.4G/5G, Wi-Fi AP: IEEE 802.11 a/b/g/n/ac 2 x 2 MIMO (2.4 GHz and 5 GHz) authentication protocols ,WEP, WPA, WPA2, PSK and 802.1X EAP, Wi-Fi Station: IEEE 802.11 a/b/g/n/ac/ax 1 x 1 MIMO (2.4 GHz and 5 GHz), authentication protocols WEP, WPA, WPA2, PSK and 802.1X EAP
Feature
UHD 4K display with a resolution of 3840 x 2160. Anti-glare and anti-blocking design to ensure smooth interaction. Dual systems of Android and Windows (optional) save cost and are easy to use; video conference software is recommended to run under the Windows system. Quick response, at most 40-point touch controls, and smooth writing experience. Multi-button design in front, convenient for classroom use. Compatible with OPS/OPS-C devices, realizing smooth switch between built-in systems