Purpose and compatibility
OS compatibility
Android, iOS
Compatible OS Version
Android 10.0, Android 11.0, iOS 12, iOS 11, iOS 10, iOS 15, iOS 14, iOS 13, iOS 9, Android 12.0, Android 13.0, iOS 16
Display
Dial Shape
Round
Display diagonal
1.35 "
Display type
AMOLED
Glass
Chemically hardened
Design and durability
Case size
47 mm
Case Material
Aluminium
Case colour
Black
Water resistancy
IP67
Control
Combined
Weight
39 g
Connectivity and sensors
Wireless technology
Bluetooth
Sensors and hardware
Microphone, Speaker, Vibration, Accelerometer, Gyroscope, Light intensity
Functions
Sports
Badminton, Running, Cycling, Walking, Yoga, Tennis, Hiking
Sports tracking function
Pedometer, Pulse, Distance, Calorie tracking
Health functions
Blood Oxygen Saturation Measurement, Monitor sleep
Smart features
Mobile Phone Tracking, Music player control in mobile phone, Custom watch faces, Weather forecast, Always On Display, Sleep/Do not disturb mode, Alarm clock, Date, Stopwatch
Location and route tracking
Via GPS of a paired phone
Notifications and calls
Making calls
From watch via paired phone (within Bluetooth range)
Phone notifications
Incoming call, Incoming call rejection, SMS, WhatsApp, Social media, E-mail
Software
App Language
Czech, English, Hungarian, Slovak
Interface Language
Czech, English, German, Slovak, Hungarian
Strap
Strap colour
Black
Strap material
Silicone
Replaceable strap
YES
Min. wrist circumference
15 cm
Max. wrist circumference
22 cm
Connection type
22mm Quick Release
Battery life and storage
Max. Battery Life
120 hr(s) (5 d)
Normal Battery Life
96 hr(s) (4 d)
Included
Included
Charging Cable
Brand/model
Brand
Niceboy
Model series
Watch GTR