Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances (using short-wavelength radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile devices, creating personal area networks (PANs) with high levels of security. Y This icon is present on the packaging that has been made up of recycled plastics that have completed their use. Post-Consumer Recycled Plastic 2 paper trays 2 Colour scan Colour scanning Laser technology Laser HP LaserJet Pro MFP 4102dwe Printer, Laser, Mono printing, 1200 x 1200 DPI, A4, Direct printing, White HP LaserJet Pro MFP 4102dwe Printer. Print technology: Laser, Printing: Mono printing, Maximum resolution: 1200 x 1200 DPI. Copying: Colour copying, Maximum copy resolution: 600 x 600 DPI. Scanning: Colour scanning, Optical scanning resolution: 1200 x 1200 DPI. Duplex functions: Print, Copy, Scan. Maximum ISO A-series paper size: A4. Direct printing. Product colour: White