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General

NameOppo A1Xiaomi Mi Watch-
ModelA1Mi Watch-
PriceTK. 20,990Tk. 1,599-

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 850 / 900 / 2100-
Network 4GLTELTE-
Network SpeedHSPA 42.2/5.76 Mbps, LTEHSPA, LTE-
Network GPRSYesYes-
Network EDGEYesYes-

Display

Display TypeS-IPS LCD capacitive touchscreen, 16M ColorsSuper AMOLED capacitive touchscreen, 16M Colors-
Display Size5.7 inches, 83.8 cm21.78 inches, 10.0 cm2 (~60.8% screen-to-body ratio)-
Display Resolution720 x 1440 pixels, 18:9 ratio368 x 448 pixels-
Display MultitouchYes - Color OSYes-
Display Density282 ppi density326 ppi density-
Display Screen Protection-Corning Gorilla Glass 3 or 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, WhiteBlack, Silver-
Body Dimensions-44.7 x 36.9 x 12.3 mm (1.76 x 1.45 x 0.48 in)-
Body Weight-44 g / 56 g-

Launch

Launch AnnouncementMarch, 2018November, 2019-
Launch DateRelease April 1st, 2018Release November, 2019-

Platform

Operating SystemAndroid 7.1 NougatProprietary Wearable Platform-
CPU-Quad-core 1.2 GHz Cortex-A7-
GPU-Adreno 304-
Chipset-Qualcomm Snapdragon Wear 3100 (28 nm)-

Memory

Memory Internal64 GB8GB-
Memory ExternalmicroSD, up to 128 GBNo-
Ram4 GB 1GB-

Battery

Battery TypeNon-removable Li-Ion BatteryNon-removable Li-Ion Battery-
Battery Capacity3180 mAh 570 mAh / 590 mAh-

Multimedia

Fm RadioYesNo-

Sound

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

Connectivity

WiFiWi-Fi 802.11 b/g/n, Wi-Fi Direct, HotspotYes-
Bluetooth4.2, A2DP, LE4.2, A2DP, LE-
USBmicroUSB 2.0No-
GPSYes, with A-GPSYes, with A-GPS-

Features

SensorsAccelerometer, proximityAccelerometer, gyro, heart rate, barometer-
MessagingSMS(threaded view), MMS, Email, Push Email--
BrowserHTML5--
JavaNoNo-

Other

Other FeaturesMP4/H.264/FLAC player, MP3/eAAC+/WAV player, Document viewer, Photo viewer/editorWireless Charging-
Made By-China-