GTR 4
- Display
- AMOLED · 1.43 in
- Battery
- 14 days
- GPS
- Multi-band
- Water
- 5 ATM
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Find it in these categories
Battery
Around two weeks
Up to 14 days in smartwatch mode. 32 hours with GPS.
GPS
Built-in GPS
Maps on the wrist. Runs and rides without your phone.
Display
AMOLED, 1.97 in
1.97 in, up to 2,000 nits and touchscreen.
Health
Heart, sleep and more
Measures blood oxygen and HRV.
Phone & smart
iPhone and Android
Calls.
Build
5 ATM water rating
27.9 g.
| Brand | Amazfit |
|---|---|
| Model | Bip 6 |
| Series | Bip |
| Colours | Black, Charcoal, Stone, Red |
Works with iPhone and Android phones, running Zepp OS.
No subscription needed.
| Operating system | Zepp OS |
|---|---|
| Works with | iPhone and Android |
| Minimum iOS | iOS 14 |
| Minimum Android | Android 7 |
| Subscription | Not needed |
A vivid, high-contrast screen that is easy to read indoors and out.
1.97 in, up to 2,000 nits and touchscreen.
| Display type | AMOLED |
|---|---|
| Screen size | 1.97 in |
| Resolution | 390 x 450 |
| Pixel density | 302 ppi |
| Peak brightness | 2,000 nits |
| Colour display | Yes |
| Touchscreen | Yes |
| Controls | touchscreen, buttons |
A 46.3 mm case weighing 27.9 g.
Rated 5 ATM: fine for swimming laps and showers.
| Case sizes | 46.3 mm |
|---|---|
| Case shape | Rectangular |
| Dimensions | 46.3 x 40.2 x 10.45 mm |
| Thickness | 10.45 mm |
| Weight (case) | 27.9 g |
| Case material | Frame: Aluminum alloy; Case: Fiber-reinforced polymer |
| Lens | Tempered glass |
| Band material | Liquid Silicone |
| Band width | 22 mm |
| Fits wrists | 130-195 mm |
| Water resistance | 5 ATM |
| Water standard | ISO 22810:2010 |
Around two weeks: up to 14 days in smartwatch mode.
With GPS on, up to 32 hours. Real battery life depends on screen brightness, notifications and workouts.
| Battery (smartwatch mode) | 14 days |
|---|---|
| Battery (GPS) | 32 hours |
| All battery modes | Smartwatch: 14 days; Battery saver: 26 days; GPS: 32 hours |
| Battery capacity | 340 mAh |
| Charging | puck |
Built-in GPS, so you can record runs and rides without your phone.
You can download maps to the watch.
| GPS | Built-in |
|---|---|
| Maps | Downloadable maps |
| Navigation features | turn-by-turn, back-to-start |
Tracks heart rate around the clock, plus blood oxygen and HRV.
For sleep, it offers a nightly sleep score.
| Sensors | optical HR, SpO2, accelerometer, gyroscope, ambient light, compass |
|---|---|
| Heart-rate sensor | BioTracker PPG biometric sensor (5PD + 2LED) |
| Heart-rate tracking | 24/7 |
| High/low heart-rate alerts | Yes |
| Heart-rate variability | Yes |
| Blood oxygen (SpO2) | Yes |
| Respiration rate | Yes |
| Sleep tracking | Sleep score |
| Stress tracking | Yes |
| Readiness score | Readiness score |
| Cycle tracking | Yes |
Tracks 140+ sports and activities.
It adds daily suggested workouts.
| Sport profiles | 140 |
|---|---|
| Auto activity detection | Yes |
| Training metrics | PeakBeats, Heart rate recovery |
| Adaptive coaching | Yes |
| Strength rep counting | Yes |
| External sensors | Bluetooth HR strap, power meter, speed/cadence |
Smart extras include calls on the wrist.
Voice assistant: Zepp Flow.
| Notifications | Yes |
|---|---|
| Message replies | Android |
| Calls on the watch | Yes |
| Speaker | Yes |
| Microphone | Yes |
| Voice assistant | Zepp Flow |
| Bluetooth | Bluetooth 5.2 |
| Find my phone | Yes |
Specs compiled from Amazfit's product pages and datasheets. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.
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