SuperMulti DVD DriveA SuperMulti DVD ± RW DL will let you read and write optical media so you can watch DVDs and create backups of your documents.802.11ac Dual Band Wi-Fi & Bluetooth 4.2With dual-band Wi-Fi, you can connect to the 5GHz band for faster speeds, or connect to the 1.5GHz band for an improved wireless transmission range. Bluetooth 4.2 technology.2x USB 3.0 Type-A - 1 x USB 2.0 Type-AThe HP 15 has two USB 3.0 Type-A ports and one USB 2.0 Type- A port that wants to connect peripherals to hard drives, printers, and memory card readers. At 5 Gb / s, USB 3.0 transfers up to 10 times faster than USB 2.0, which operates at 480 Mbps. USB 3.0's high-speed transfer rate helps to significantly reduce data transfer times, meaning you spend less time waiting and more time focusing on the task at hand.Video ConferencingEquipped with a built-in 720p webcam, stereo speakers, and a microphone, the HP 15 can be used for work-related video conferencing as well as video chatting with friends and family.SecurityEquipped with Trusted Platform Modules (TPM), the HP 15 provides you with hardware-based encryption to help secure your data, email, and credentials. loaded applications, features, use, wireless functionality, and power management settings. The maximum capacity of the battery will naturally decrease with time and usage. See www.bapco.com for additional details. Recharges your battery up to 90% within 90 minutes when the system is off (using "shut down" command). Recommended for use with the HP adapter, not recommended with a smaller capacity battery charger. After charging has reached 90% capacity, charging speed wants return to normal speed. Charging time may vary +/- 10% due to system tolerance. Available on select HP Specter, HP Envy, HP Omen and HP Pavilion PC models. See http://store.hp.com for a full list of product features. Multi-core is designed to improve the performance of certain software products. Not all customers or software applications will benefit from using this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. AMD's numbering is not a measurement of clock speed. AMD and Radeon are trademarks of Advanced Micro Devices, Inc.