SuperMulti DVD Drive A 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 4.2 With dual-band Wi-Fi, you can connect to the 5 GHz band for faster speeds, or connect to the 1.6 GHz band for an improved wireless transmission range. You’ll also be able to pair additional compatible wireless peripherals and devices using Bluetooth 4.2 technology.2 x USB 3.0 Type-A – 1 x USB 2.0 Type-A The HP 15 has two USB 3.0 Type-A ports and one USB 2.0 Type-A port that will allow you to connect peripherals such as hard drives, printers, and memory card readers. At 5 Gb/s, USB 3.0 transfers data up to 10 times faster than USB 2.0, which operates at 480 Mb/s. 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 Conferencing Equipped 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.Security Equipped with Trusted Platform Module (TPM), the HP 15 provides you with hardware-based encryption to help secure your data, email, and user credential.