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 When performance is your priority, rely on proven, trusted technology. With the cylindrical lithium-ion battery cell your laptop gets stable power that’s great for high-performance devices. Lithium-Ion (Li-Ion) Legacy Intel® Core™ Processor Intel Core i5-xxx Fingerprint Y Touch screen Y HP 2740p, Intel® Core™ i5, 2.66 GHz, 30.7 cm (12.1"), 1280 x 800 像素, Windows 7 Professional HP 2740p. 處理器系列: Intel® Core™ i5, 處理器類型: i5-560M, 處理器頻率: 2.66 GHz. 顯示器尺寸(對角長): 30.7 cm (12.1"), 顯示器解析度: 1280 x 800 像素, 觸控式感應螢幕. 主機板內建顯示卡型號: Intel® HD Graphics. 提供作業系統: Windows 7 Professional. 重量: 1.72 kg