... .2 Basic ParametersModel No.Hp381TypeSmart phone, music mobile, photo mobile, 3G cellphoneTime to market2011-4-1Mobile standardGSM ... Call durationGSM: 400 minutes; WCDMA: 390 minutes Standby durationGSM: 340 minutes; WCDMA: 360 minutes StyleBar phoneShell ... alarm, built-in vibration, situation mode, handsfree call, standby pictures, incoming picture identifing, ringtone shuffler identifying, airplane ...