Apple Watch Series 2 42mm vs Yezz C21
Apple Watch Series 2 42mm
Yezz C21
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Network
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2G networkN/AGSM 850, 900, 1800, 1900
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GPRSNoUp to 48 kbps
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EDGENoNo
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Availability
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Oficially announced2016-92016-7
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Status-2016-8
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Design
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BuildStainless Steel/Ceramic back-
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SIMNoDual SIM (Mini-SIM)
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Height42.5 mm113 mm
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Width36.4 mm48.5 mm
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Thickness11.4 mm14.6 mm
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Weight52.4 g70 g
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Waterproof50m-
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ColorsSport band: silver case/white, black case/black; Leather band: silver case/blue, brown, orange; Stainless Steel band: silver case/silver, black case/blackBlack, Blue, Red, White
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Display
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Display typeAMOLED capacitive touchscreenTFT
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Physical size1.65 inches1.8 inches
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Resolution390 x 312 pixels128 x 160 pixels
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Pixel density303 ppi114 ppi
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Display colors16777216262144
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ProtectionSapphire crystal glass-
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MultitouchYes-
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Hardware
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CPUDual-core321 MHz
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ChipsetApple S2Spreadtrum SC6531DA
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Memory RAM-4 MB
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Internal storage-4 MB
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Memory cardNomicroSD
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Memory card max-8 GB
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Phonebook-Yes
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Call records-Yes
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OS
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OSwatchOS 3.0-
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; RingtonesVibration, Polyphonic, MP3
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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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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0
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Bluetoothv4.0v2.1
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Bluetooth A2DPYes-
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NFCYes-
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GPSYesNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push MailPush Mail-
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WAP-Yes
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JavaNoNo
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SensorsAccelerometer, gyro, 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 capacity-600 mAh
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Battery removableNon-removableRemovable
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Talk time-3 h
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Standby time-180 h
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Main camera
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Primary camera-VGA
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Primary camera video-video
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Camera features-No
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Selfie camera
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Secondary camera-No
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