1.has a socket for a 3.5 mm audio jack
With a standard mini jack socket, you can use the device with most headphones.
The device can connect to Wi-Fi.
3.has an external memory slot
The device has a standard memory slot (such as an SD or micro SD card slot) that enables you to extend the built-in internal storage with affordable memory modules, or easily retrieve data, such as photographs, from the memory card.
4.supports Wi-Fi 4 (802.11n)
Wi-Fi 4 (802.11n) is a wireless standard released in 2009. It has faster transfer rates and improved security compared to its predecessors – a, b, and g.
5.Supports connectivity between home and portable devices
A portable device (e.g., handheld console, smartphone) can be connected to a home console and used as a gamepad.
Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Newer versions provide faster data transfers.