GTR 4 — specs, repair & marketplace — RepairYour.Tech

Power

Auto standby: Yes
Battery life: 7 day(s)
Charging time: 2 h
Battery life (max): 1200 h
Battery life (GPS mode): 25 h
Battery life (power save mode): 576 h

Design

Shape: Round
Band size: One Size
Closure type: Single prong strap buckle
Band material: Nylon
Removable strap: Yes
Watch case size: 46 mm
Water resistance: 5 ATM
Wrist size range: 155 - 210 mm
Protection features: Splash proof, Waterproof
Watch case material: Aluminium
Maximum strap length: 21.5 cm
Minimum strap length: 15.5 cm
Magnetic charging connector: Yes

Battery

Battery capacity: 475 mAh
Battery technology: Lithium Polymer (LiPo)

Display

Touchscreen: Yes
Display type: Digital
Pixel density: 326 ppi
Colour display: Yes
Display diagonal: 3.63 cm (1.43")
Display resolution: 466 x 466 pixels
Display technology: AMOLED

Features

Barometer: Yes
Pedometer: Yes
Clock mode: 12h/24h
Calories burned: Yes
Multisport mode: Yes
Weather display: Yes
Activity tracker: Yes
Quality of sleep: Yes
Distance travelled: Yes
Heart rate monitor: Yes
Blood oxygen sensor: Yes
Recommended activity: Hiking, Running, Walking
Heart rate sensor type: Optical
Heart rate contact sensors: Yes

Performance

Mobile operating systems supported: Android 10, Android 10.0, Android 11.0, Android 12.0, Android 7.0, Android 7.1, Android 7.1.2, Android 8.0, Android 9.0, iOS 12, iOS 13, iOS 13.4, iOS 14, iOS 14.5, iOS 15

Packaging content

Charger: Yes

Ports & interfaces

Bluetooth version: 5.0
Headphone connectivity: Bluetooth
Bluetooth Low Energy (BLE): Yes

Weight & dimensions

Depth: 46 mm
Width: 46 mm
Weight: 34 g
Thickness: 1.06 cm
Band width: 2.2 cm

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