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 기가헤르츠, 30.7 센티미터 (12.1"), 1280 x 800 픽셀, Windows 7 Professional HP 2740p. 프로세서 제품군: Intel® Core™ i5, 프로세서: i5-560M, 프로세서 주파수: 2.66 기가헤르츠. 대각 디스플레이: 30.7 센티미터 (12.1"), 디스플레이 해상도: 1280 x 800 픽셀, 터치 스크린. 온보드 그래픽 어댑터 모델: 인텔® HD 그래픽. 제공된 작동 시스템: Windows 7 Professional. 무게: 1.72 킬로그램