Comfortable internet telephony without headset or microphoneN/AN/A- Can be used as a microphone/speaker with all PC based softphones such as SkypeGoogle Chat Google+ MSN ICQ X-lite Dialpad MediaRing Net2phone etc.N/A- Power supply via USB no external power supply requiredN/AN/ASKYPE USB telephone handsetUSB A male-RJ10 cable lenght: 1.80-1.90m
