Samsung Watch Phone vs Sendo M550
Samsung Watch Phone
Sendo M550
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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GPRSYesYes
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EDGE
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Availability
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Oficially announced20032003
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Status
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Design
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SIMMini-SIMMini-SIM
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Height38 mm82 mm
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Width64 mm45 mm
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Thickness17 mm20 mm
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Weight80 g77 g
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Colors--
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Display
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Display typeOLEDCSTN
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Resolution94 x 64 pixels128 x 128 pixels
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Display colors2564096
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Hardware
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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; Polyphonic ringtonesVibration; Downloadable polyphonic 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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USB
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BluetoothYes
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GPSNoNo
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Features
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AlarmYesYes
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ClockYesYes
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Messaging SMSSMSSMS
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Messaging EMS-EMS
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WAPWAP 1.2WAP 1.2.1
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JavaNoNo
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity400 mAh-
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Talk time1 h 30 min2 - 5 h
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Standby time80 h180 - 400 h