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 Color print/copy Colour printing Colour copying Colour scan Colour scanning HP C309g, Inkjet, Color printing, 9600 x 2400 DPI, Color copying, A4, Black HP C309g. Print technology: Inkjet, Printing: Color printing, Maximum resolution: 9600 x 2400 DPI, Print speed (color, normal quality, A4/US Letter): 9.5 ppm. Copying: Color copying, Maximum copy resolution: 1200 x 600 DPI. Scanning: Color scanning, Optical scanning resolution: 4800 x 4800 DPI. Maximum ISO A-series paper size: A4. Wi-Fi. Product color: Black