What's in the box:

Wireless USB WiFi Adapter Dual Band 2.4G(up to 300Mbps) & 5G(up to 866Mbps)/2 High Gain Antennas/High Security/Plug&Play White (White)

Feature:
Dual Band Adapter. Supports 2.4Ghz and 5Ghz, which can be switched freely. Compared with single band adapter, it owns higher transmitting rate, stronger anti-interference and stabler connection.
High Speed. The transmitting speed of 2.4GHz is up to 300Mbps while that of 5GHz is up to 866Mbps, with which, it allows a smother watching, listening and playing experience.
High Security. Supporting WEP, WPA, WPA2, TKIP and AES, it owns a higher level of security to effectively prevent others from using your network, and more importantly solve the public WiFi security issues.
2 High Gain Antennas. Equipped with 2 high gain antennas, you can adjust them to improve the signal sensitivity to effectively extend the range of receiving and transmitting WiFi signals.
Plug and play. Connected with USB, you can connect it with most devices with USB interface, like charger, power bank, PC, etc, which enables you to use it anywhere, anytime.
Supports Windows 10/8.1/7/xp, Mac OS X 10.7~10.10 and Linux.

Specification:
Interface: USB 3.0
Wireless standard: IEEE 802.11ac/a/b/g/n
WiFi band: 2.4GHz & 5GHz
Transmitting speed: 2.4GHz: up to 300Mbps; 5GHz: up to 866Mbps
Wireless mode: Ad-Hoc/ Infrastructure mode
Wireless security: WEP/ WPA/ WPA2/ TKIP/ AES
Color: White
Number of Antenna: 2
Transmitting power: 20dBm (EIRP)
Item weight: 30.2g/ 1.07oz
Package size: 12.3* 8.6* 2cm/ 4.84* 3.39* 0.79in
Package weight: 49.5g/ 1.75oz

Packing list:
1 * Wireless-AC USB WiFi Adapter
1 * CD drive
1 * User manual