Features:
1) USB2.0 port
2) 16-bit sound card inside, the PC can without sound card
3) Supports H.323, SIP, MGCP and other protocols
4) Supports product serial write in
5) With HID (human interface device)
6) Plug and play to install USB driver
7) No driver needed for Win98 / SE / ME / 2000 / XP / Mac OS / Mac OS X
8) With PID (physical interface device)
9) Implement "real-time" verification
10) Compatible with major PC's Internet phone application software
11) Provides ringer generation for PC to PC call through existing IP phone
12) Optional ITSP application software with credit for PC to phone
connection
13) A LED to indicate power and linking status
14) Adjustable volume for handset
15) Supports E.164 dialing rule
16) Recording support
17) The powered via the USB port with no need for a power adapter
18) It can support Skype, MSN, net2phone, e-talk, Stanaphone, SJphone,
X-Lite, X-PRO, Firefly

Inner packing:
1pc/color box
Box dimensions: 16 x 13.5 x 4cm

Outer packing:
50 boxes/ctn
Carton dimensions: 33.5 x 56 x 22cm
N.W.: 8.5kg
G.W.:10.2kg