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 ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR FSC is the leading catalyst and defining force for improved forest management and market transformation, shifting the global forest trend toward sustainable use, conservation, restoration, and respect for all. Each label provides information about the origin of the materials used to make the finished and labeled product. forest stewardship council (fsc) Color print/copy Colour printing Colour copying Colour scan Colour scanning EPEAT is the premier global ecolabel for electronics and technology products. EPEAT HP OfficeJet Pro Wireless Color Printer, Thermal inkjet, Colour printing, 4800 x 1200 DPI, A4, Direct printing, Grey HP OfficeJet Pro Wireless Color Printer. Print technology: Thermal inkjet, Printing: Colour printing, Maximum resolution: 4800 x 1200 DPI, Print speed (colour, normal quality, A4/US Letter): 10 ppm. Copying: Colour copying. Scanning: Colour scanning, Optical scanning resolution: 1200 x 1200 DPI. Faxing: Colour faxing. Duplex functions: Print, Fax. Maximum ISO A-series paper size: A4. Direct printing. Product colour: Grey https://www.digitaltrends.com/computing/hp-officejet-pro-8135e-review/ HP's OfficeJet Pro 8135e is an all-in-one printer with print, scan, copy, and fax capabilities. It also has a USB-A port for walk-up printing. Those capabilities put it firmly in the business category, but the price makes it attractive for home use.That m... Fast monochrome prints, Good quality color prints, Includes fax and thumb drive support, Good borderless photo prints, Good support for iPhone and Android Ink costs will add up, Color prints are half-speed, Automatic document feeder lacks duplex