Purpose and compatibility
Usage
Unisex
OS compatibility
Android, iOS
Compatible OS Version
iOS 18, Android 10.0, Android 11.0, Android 9.0, Android 8.0, iOS 12, iOS 11, iOS 10, iOS 15, iOS 14, iOS 13, Android 12.0, Android 13.0, iOS 16, iOS 17, Android 14.0, Android 15.0
Display
Dial Shape
Angular
Display diagonal
1.78 "
Display type
AMOLED
Glass
Plastic
Design and durability
Case size
45 mm
Case Material
Plastic
Case colour
Silver
Water resistancy
IP67
Control
Combined
Weight
20 g
Connectivity and sensors
Wireless technology
NFC, Bluetooth
Sensors and hardware
Microphone, Speaker, Oximeter, Vibration
Functions
Sports
Run, Cycling, Fitness, Walking, Yoga
Sports tracking function
Pedometer, Pulse, Distance, Calorie tracking
Health functions
Blood Oxygen Saturation Measurement, Monitor sleep, Stress level monitoring, Menstrual cycle monitoring
Smart features
Mobile Phone Tracking, Music player control in mobile phone, Custom watch faces, Weather forecast, Always On Display
Notifications and calls
Making calls
From watch via paired phone (within Bluetooth range)
Phone notifications
Incoming call, Incoming call rejection, SMS, WhatsApp, Messenger, Social media, E-mail
Software
App Language
Czech, English, German, Hungarian, Slovak
Interface Language
Czech, English, German, Slovak, Hungarian
Strap
Strap colour
Silver
Strap material
Silicone
Replaceable strap
YES
Min. wrist circumference
14 cm
Max. wrist circumference
23 cm
Connection type
20mm Quick Release
Battery life and storage
Max. Battery Life
120 h (5 d)
Battery capacity
260 mAh
Included
Included
Charging cable (USB-A)
Brand/model
Brand
Niceboy
Model series
Watch 4
Price Guarantee
