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) Touch screen Y Hard Drive HDD HDMI 1 HP Pavilion TouchSmart 11-e104au, AMD A6, 1 GHz, 29.5 cm (11.6"), 1366 x 768 pixels, 8 GB, 500 GB HP Pavilion TouchSmart 11-e104au. Product type: Laptop, Form factor: Clamshell. Processor family: AMD A6, Processor model: A6-1450, Processor frequency: 1 GHz. Display diagonal: 29.5 cm (11.6"), HD type: HD, Display resolution: 1366 x 768 pixels, Touchscreen. Internal memory: 8 GB, Internal memory type: DDR3L-SDRAM. Total storage capacity: 500 GB, Storage media: HDD. Operating system installed: Windows 8.1. Product colour: Black, Silver