Alcatel GO Watch vs NIU C21A
Alcatel GO Watch
NIU C21A
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Network
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2G networkGSM 850, 900, 1800, 1900
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GPRSYes
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EDGE
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Availability
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Oficially announced2015-92013-3
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Status2015-92013-4
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Design
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SIMNoDual SIM (Mini-SIM)
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Height50.5 mm106 mm
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Width50.5 mm45 mm
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Thickness13 mm14.5 mm
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Weight73 g
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ColorsWhite, White/Blue, White/Blue Dark, White/Lime Green&Blue, White/Orange, White/Pink RedBlack, Blue, Fuchsia, Green, Purple, Red, White
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Display
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Display typeCapacitive touchscreenTFT
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Physical size1.22 inches1.8 inches
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Resolution240 x 204 pixels128 x 160 pixels
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Pixel density258 ppi114 ppi
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Display colors262144262144
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Hardware
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Internal storage-64 Mbit
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSProprietary OS-
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration, Polyphonic
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLAN
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USBYesYes
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Bluetoothv4.0v2.0
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bluetooth LEYes-
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GPSNoNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIMIM
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WAP-Yes
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JavaNoNo
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SensorsAccelerometer, altimeter, compass, gyroscope, heart rate-
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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 capacity225 mAh600 mAh
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Battery removableNon-removable-
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Talk time-4 h
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Standby time120 h200 h
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Main camera
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Primary camera resolution-640 x 480 pixels
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Primary camera video-no
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Camera features-No
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Selfie camera
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Secondary camera-No