Specifications: BT: BT version: BT 4.0 Interface: 2.412-2.482GHz Working channel: 0-78 Modulation type: GFSK DPSK Transmission range: 10 meters indoors, 20 meters outdoors RF power: 10dBm (Max EIRP) Antenna gain: 2dBi Spread-spectrum technology: frequency hopping Supported OS: for Windows 7/8/8.1/10/Linux Encryption mode: WPA, WPA2, WPA-PSK, WPA2-PSK WiFi: Standard: IEEE 802.11b/g/n CSMA/CA with ACK Interface: USB2.0 Transmission rate: 150Mbps Frequency range: 2.412-2.482GHz Working channel: 1-14 Modulation: 802.11g/n: OFDM 802.11b: CK(11,5.5Mbps), QPSK(2Mbps), BPSK(1Mbps) RF power: 16dBm (Max EIRP) Antenna gain: 2dBi Supported OS: for Windows/Mac/Linux Encryption mode: WPA, WPA2, WPA-PSK, WPA2-PSK Operating temperature: 0-40 Storage temperature: 20-60 Operating humidity: 10%-85% RH non-condensing Storage humidity: 5%-90% RH non-condensing Item size: 3.2 * 1.6 * 0.8cm / 1.26 * 0.63 * 0.31in (L * W * H) Item weight: 3g / 0.12oz Package size: 16.8 * 10.8 * 1.7cm / 6.61 * 4.25 * 0.67in (L * W * H) Package weight: 33g / 1.2oz It is a versatile WiFi + BT gadget. On the one hand, it is a wireless adapter with 150Mbps transmission rate (maximum), perfect for internet surfing and on-line gaming. It is capable of converting wired network to wireless one and supporting more than 10 devices to share WiFi simultaneously. And it complies with IEEE 802.11n/g/b standard. On the other hand, it serves as a superior BT adapter (BT 4.0) which supports multifunctional BT application. It supports most common computer peripherals like wireless printer, BT printer, BT keyboard, etc. Moreover, its mini and delicate design is another plus point. Features: Mini WiFi + BT adapter. 2 in 1: wireless adapter & BT adapter, versatile and useful. Up-to-date BT version: BT 4.0 --- the transmission range up to 10 meters indoors, 20 meters outdoors. Enjoy fast data transfer and multifunctional BT application. The network transmission rate is up to 150Mbps, perfect for internet surfing and on-line gaming. Capable of converting wired network to wireless one and support more than 10 devices to share the WiFi simultaneously. Enable the desktop to use wireless network. Comply with IEEE 802.11n/g/b standard. Built-in 2dBi antenna, easy to carry. CCA technology enhances the signal stability by automatically avoiding channel conflicts. Support most common computer peripherals like wireless printer, BT printer, BT keyboard, BT headphone, BT speaker, etc.