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) HP Mini 735ES, Intel Pentium Mobile, 1.6 GHz, 10.1", 1024 x 576 pixels, 1 GB, Windows XP Home Edition HP Mini 735ES. Product type: Netbook. Processor family: Intel Pentium Mobile, Processor model: N270, Processor frequency: 1.6 GHz. Display diagonal: 10.1", Display resolution: 1024 x 576 pixels. Internal memory: 1 GB, Internal memory type: DDR2-SDRAM. Operating system installed: Windows XP Home Edition. Product color: Black. Weight: 2.25 lbs (1.02 kg)