Bird S668 vs VK Mobile VK2100
Bird S668
VK Mobile VK2100
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Network
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2G networkGSM 900, 1800GSM 900, 1800, 1900
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GPRSYes
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EDGE
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Availability
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Status
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Oficially announced2014-122005
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Design
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SIMMini-SIMMini-SIM
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Height104 mm93 mm
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Width45.5 mm49 mm
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Thickness15.7 mm9.3 mm
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Weight75 g48 g
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ColorsBlue, Silver Grey, WhiteBlack
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Display
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Display typeCSTNOLED
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Physical size1.5 inches-
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Resolution128 x 128 pixels128 x 160 pixels
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Pixel density121 ppi-
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Display colors66560262144
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Hardware
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Internal storage-2 GB
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Memory card
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Sound
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3.5mm jackNoNo
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LoudspeakerNoNo
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NotificationsVibration; Downloadable polyphonic, MIDI ringtonesVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLAN
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USBYes
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BluetoothYes
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging EMS-EMS
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Messaging MMS-MMS
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WAP-WAP 2.0/xHTML
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JavaNoNo
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Browser
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity500 mAh790 mAh
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Talk time3 h3 h
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Standby time140 h150 h