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General

NameOppo A1Apple Watch Series 4-
ModelA1Watch Series 4-
PriceTK. 20,990Tk 68,990-

Network

Network TypeGSM / HSPA / LTEGSM / HSPA / LTE-
Network 2GGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900-
Network 3GHSDPA 850 / 900 / 1900 / 2100HSDPA-
Network 4GLTELTE-
Network SpeedHSPA 42.2/5.76 Mbps, LTEHSPA, LTE-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeS-IPS LCD capacitive touchscreen, 16M ColorsLTPO AMOLED capacitive touchscreen, 16M Colors-
Display Size5.7 inches, 83.8 cm21.78 inches, 10.0 cm2 (~60.0% screen-to-body ratio)-
Display Resolution720 x 1440 pixels, 18:9 ratio448 x 368 pixels-
Display MultitouchYes - Color OSYes-
Display Density282 ppi density326 ppi density-
Display Screen Protection-Sapphire crystal glass-

Camera

Primary Camera13 MP (f/2.2, 1/3`, 1.12 µm), phase detection autofocus, LED FlashNo-
Secondary Camera8 MP--
Camera FeaturesGeo-tagging, Touch focus, Face detection, HDR, panorama--
Video[email protected]--

Body

Body ColorBlue, Red, WhiteSpace Black, Silver, Gold-
Body Dimensions-44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)-
Body Weight-48 g (1.69 oz)-
Body Build-Stainless Steel frame; all-ceramic/sapphire crystal back-

Launch

Launch AnnouncementMarch, 2018September, 2018-
Launch DateRelease April 1st, 2018Released September, 2018-

Platform

Operating SystemAndroid 7.1 Nougatwatch OS 5.0-
CPU-Dual-core-
GPU-PowerVR-
Chipset-Apple S4-

Memory

Memory Internal64 GB16GB-
Memory ExternalmicroSD, up to 128 GBNo-
Ram4 GB No-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Ion Battery-
Battery Capacity3180 mAh Up to 18 h (mixed usage)-

Multimedia

Fm RadioYesNo-

Sound

AudioVibration, MP3, WAV RingtonesVibration, Ringtones-
LoudspeakerYesYes-
3.5mm JackYes - Active noise cancellation with dedicated micNo-

Connectivity

WiFiWi-Fi 802.11 b/g/n, Wi-Fi Direct, HotspotWi-Fi 802.11 b/g/n-
Bluetooth4.2, A2DP, LE5.0, A2DP, LE-
USBmicroUSB 2.0No-
GPSYes, with A-GPSYes, with A-GPS, GLONASS, GALILEO, QZSS-

Features

SensorsAccelerometer, proximityAccelerometer, gyro, heart rate 2nd gen, barometer-
MessagingSMS(threaded view), MMS, Email, Push EmailSMS(threaded view), Email, Push Email, IM-
BrowserHTML5No-
JavaNoNo-

Other

Other FeaturesMP4/H.264/FLAC player, MP3/eAAC+/WAV player, Document viewer, Photo viewer/editorAudio player, Photo viewer, Siri natural language commands and dictation (talking mode)-
Made By-USA-