HP Premium Travel Phone - Manual (Page 24)

Technical Specifications
Cable length 1.6 metres
Supply voltage 5 V DC ± 5% from PC USB port
Current consumption In use < 200mA
Standby, approx 500uA
Max power consumption 1W
Frequency response Microphone 100 Hz to 7 kHz
Speaker 100 Hz to 5 kHz
Ringer output >70dBA SPL
Keys 0–9, * and #
Scroll up/down
Volume up/down
Dial
End call
Microphone mute
Voicemail
Contacts/Received calls
Missed calls/Backspace
LED’s Voicemail
Ringer
Microphone mute
LCD 128 x 64, backlit
USB 1.1 and 2.0 certified
Compatibility Skype certified
20 HP Premium Travel Phone User’s Guide