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 pixels, Windows 7 Professional HP 2740p. Famille de processeur: Intel® Core™ i5, Modèle de processeur: i5-560M, Fréquence du processeur: 2,66 GHz. Taille de l'écran: 30,7 cm (12.1"), Résolution de l'écran: 1280 x 800 pixels, Écran tactile. Modèle d'adaptateur graphique inclus: Intel® HD Graphics. Système d'exploitation installé: Windows 7 Professional. Poids: 1,72 kg