What's in the box:

Dual Band Wireless USB Adapter 2.4G 5G WiFi Network Card AC1200Mbps USB3.0 Host Interface (Standard)

This dual band adapter delivers powerful wireless technology to your desktop or notebook computer. Simply plug the adapter into an available USB port and connect to a wireless network to access a secure, high-speed internet connection-2.4GHz (300Mbps) or 5GHz (up to 866Mbps).

Features:
Supports 802.11ac standard-the next generation of WiFi.
Backward compatible with 802.11 a/b/g/n products.
Ultra-fast AC1200 (866+300Mbps) wireless speed with 802.11ac.
Maximum speed up to 5GHz 866Mbps or 2.4GHz 300Mbps.
Dual band connections for lag-free high definition video streaming and gaming.
Supports Win 10/8/7/XP 32/64bit, MAC OS, Linux.

Specifications:
Material: ABS+metal
Color: black+silver
Wireless standards: IEEE 802.11ac, IEEE 802.11a, IEEE 802.11b/g/n
Host interface: USB 3.0
Frequency range:
2.4GHz~2.4835GHz
5.12GHz~5.825GHz
Wireless speed:
802.11ac: up to 866Mbps
802.11n: up to 300Mbps
802.11g: 6/9/12/18/24/36/48/54Mbps
802.11b: 1/2/5.5/11Mbps
Working channel number:
1~14 (2.4G)
36~165 (5G)
Spread spectrum: DSSS
Modulation type: OFDM/CCK/16-QAM/64-QAM
Work power: 20dBm (MAX EIRP)
Sensitivity:
11n: -68dBm@300M; -68dBm@108M
11g: -69dBm@54M
11b: -85dBm@11M
11ac: -59dBm@866M
Support operation system: 32/64bit Win XP/vista/7/8/8.1/10; Linux; MacOS10.9~Mac10.13
Chipset: Realtek8812BU
LED light: status
Antenna type: 2 * 2dBi internal antennas (2T2R)
Operating temperature: 0?~40? (32?~104?)
Storage temperature: -40?~70? (-40?~158?)
Operating humidity: 10%~90% non-condensing
Storage humidity: 5%~90% non-condensing
Item size: 45.3 * 19.1 * 9.3mm / 1.8 * 0.8 * 0.4in
Package size: 125 * 100 * 20mm / 4.9 * 3.9 * 0.8in
Package weight: 28g / 1.0ounce

Packing List:
1 * Wireless USB Adapter
1 * Compact Disc Driver