Dust- & Water-resistance: Provided (rubber ring)

Lens filters are translucent pieces of glass placed in front of a camera lens to alter or adjust the light entering the camera and more importantly to protect the camera lens

DC Phase Linearizer

Record your tracks in 24-Bit/192kHz quality with 2x4 USB I/O and zero-latency hardware monitoring

New Direct Manual Focus mechanism

Acer CB Plus 15.6' i3 8G 256G CRM Brand_DR MFYAN Dust- & Water-resistance: Provided (rubberChromebook Plus Enterprise 515 touchscreen notebook with Chrome Enterprise Upgrade 15. 6 FHD 1920 x 1080 Touchscreen IPS, Acer Comfyview, Intel Core i31315U processor 10 MB Smart Cache, 1. 2 GHz with Turbo Boost up to 4. 5 GHz, 8GB 8 LPDDR5X, 256GB PCIe Gen 4 NVMe, Intel UHD Graphics Supporting OpenGL ES 3. 2, Intel Wireless WiFi 6E AX211; 802. 11a b g n ac ax wireless LAN; Band 2. 4 GHz, 5 Gh and 6 GHz; 2x2 MUMIMO technology; Supports Bluetooth 5. 1;