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DZ09 vs U8 vs KingWear KW88 3G vs KW18 Smartwatch

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Release - - July, 2016 May, 2016
Device Name Several Brands: GZDL DZ09, Aosmart DZ09, Zakk DZ09, Rock DZ09, Bluetick DZ09 , Padgene DZ09, Qiufeng DZ09 Smartwatch UWatch U8 Smartwatch KingWear KW88 3G Bluetooth Smartwatch Kingwear KW18 Smartwatch
Device Type Smartwatch Phone Smartwatch Smartwatch Phone Smartwatch
Ideal for (Gender) Both Men & Women Both Men & Women Unisex Both Men and Women
Device Model DZ09 or DZ-09 U8 KW88 KW88
Box Items Smartwatch, Charging Cable, Warranty Doc & User Manual U8 Smartwatch, USB Charging Cable, Warranty Card, User Manual 1 x Smart Watch ,1 x User Manual ,1 x Magnetic Adapter Cable, 1 x Package box 1 x Smart Watch, 1 x USB Cable, 1 x Manual
Predecessor - - - -
Successor - U8 Pro KingWear KW98 -


Shape Rectangular Rancangle Circular Circular
Case Dimensions 58.5 mm x 39.5 mm x 12.3 mm 4.80 x 4.10 x 1.20 cm 46mm x 56mm x 13.5mm 52 mm x 44mm x 16 mm (2.17 x 1.77 x 0.55)" / (5.5 x 4.5 x 1.4)cm (L x W x H)
Case/Bezel Stainless steel Zinc alloy & Silicone Aluminum electroplated with anodic oxidation Anodized Aliuminium
Strap Material Silicone or Rubber Silicone Silicone -
Strap/Band Size 28.5cm - 28mm -
Replaceable Band - - - -
Weight 60 g (0.0510 kg) 1.55 oz (44 g) 65 g 2.4oz / 68g
IP Rating - - - -
Water Resistance No Yes No Yes
Colors Black, Brown(Gold)/Bronze, White Black, Rose Red, Ivory Black, Red, Rose Gold, White Gold, Silver, White
Other Information - -


Screen Size 1.56'' (3.96 cm) 1.48inch 1.39 inch 1.3 inch
Screen Resolution 240 x 240 pixels 128x128 pixels 400 x 400 pixel 240 x 240 Pixel
Pixel Density 226 ppi - 286 ppi -
Multi Touch Yes Yes Yes Yes
Screen Protection - - - -


Operating System Customized Android OS Nucleus RTOS OS Android 5.1 Proprietary OS
Chipset MTK6260A or MTK6261 ARM7 MTK6260 Mediatek MTK6580 MTK2502C
CPU 533 MHz - Quad core 1.3Ghz 1.2GHz Dual-Core
GPU - - - -


RAM 64 MB 128 MB 512MB 128MB
Internal Memory 64 MB 64 MB 4GB 64MB
SD Card Slot Up to 32GB TF card (not included) No No 16GB TF Card (Not included)

Cellular Network

Technology GSM, 2G No 2G, 3G 2G
Bands GSM/GPRS 850/900/1800/1900 No 2G GSM 850/900/1800/1900;
3G WCDMA 850/2100;
GSM: 850/900/1800/1900
SIM Single Micro SIM No Nano SIM Micro or Nano simge SIM
Speed - No - -

Activity Tracker

Distance Yes Yes Yes -
Heart Rate No Yes Yes Yes
Steps Yes Yes Yes Yes
Calories Consumption - Yes
Sleep Yes Yes - Yes


Bluetooth Bluetooth 3.0, BLE Bluetooth V3.0, EDR Bluetooth 4.0 Bluetooth 4.0
GPS No No Yes No
WiFi No No WIFI 802.11b/g/n No
NFC No No No No
USB Yes No No No
Radio Yes No No No


Touch Yes Yes Yes Yes
Watchface Customizable Customizable Customizable Customizable
Voice Command No No Google Voice -
Personal Assistant No No Google Assistant -
Smartphone Compatibility Android and iOS Android & iOS Yes Android & iOS
Smartphone Companion App BTNotification App, Mediatek SmartDevice App BTNotification App, Mediatek SmartDevice App - Mediatek SmartDevice App


Activity Alert Yes Yes Yes Yes
SMS Yes Yes Yes Yes
Email Yes Yes Yes Yes
Incoming Call Alert Yes Yes Yes Yes
Calendar Reminder Yes Yes Yes Yes
Weather Forecast Yes Yes Yes Yes


Accelerometer Yes - Yes -
Gyro - Yes - -
Heart Rate - - Yes Yes
Light - - - -
Compass/Magnetometer - - - -
Vibration/Haptics engine Yes Yes Yes No
Other Sensors Pedometer Barometer, Altimeter, Pedometer Pedometer Pedometer


Speaker Yes Yes Yes Yes
Microphone Yes Yes Yes Yes


Capacity 380 mAh 3.7 V Li-ion 230mAh 350mAh 340mAh
Battery Life 1 - 2 days 48 hour Up to 2 Days Up to 2 Days
Standby - - Up to 5 Days
Talk-Time - - -
Wireless Charging - - -
Charging Time 2H - -
Quick Charging - - -

Additional Features

Language Multilingual Chinese / English - English, French, Spanish, Russian, German, Italian, Portuguese
App Store No, but includes Twitter, Facebook, Whatsapp apps No Google Play No
Builtin Payment Service No No No No
Bluetooth Music Yes Yes Yes Yes
Other Features Receive call, Find my phone, Music control, Respond to notification, Camera Shutter control, Make call, Timer, Sedentary reminder, Remote camera, Phonebook, Bluetooth call, Voice recorder, Anti-lost Receive call, Bluetooth music, Alarm, Remote camera, etc - Dial, Hands-free Call, Call Record, Phone Book, Bluetooth Calls, Pedometer, Sedentariness Remind, Heart-rate Detection, Sleep Monitor, Information Push, Time Setting Sync etc.

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