Uploaded October 2025 | Updated September 2026, 3 weeks ago

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The new KOSPET Tank T4 smartwatch finally has dual-band GPS and offline maps, making it one of the best sports smartwatch under $200 in 2025! Is it really a competitor to Garmin and other premium sports watches? Let's find out.
Buy KOSPET Tank T4:
➨ Official: https://kos.pet/4nMcSIK
➨ Amazon: amazon.com/dp/B0FR9D18XJ?ref=t_ac_spc_accepted_tile&linkCode=tr1&tag=oleksandrkopi-20&linkId=B0FR9D18XJ_1778574494856
➨ Ebay: https://kos.pet/4hfBs2s
Use the code CHT4M4 for 12% off

Timecodes:
00:00 - Intro
01:34 - Price
01:59 - Unboxing
03:05 - Power Pocket
03:39 - Leather Straps
04:07 - Design
04:35 - Size and Weight
04:51 - Materials
05:06 - Rugged & Waterproof
05:39 - Strap
06:23 - Display
06:51 - Always-On Display Mode
07:29 - ApexMove OS
07:52 - Watch Faces
08:06 - Notifications
08:11 - Widgets
08:24 - Quick Settings Menu
08:44 - Full Settings Menu
09:34 - App List
10:36 - One-Tap Measurement
10:43 - Compass & Barometric Altimeter
11:01 - Walkie-Talkie
11:19 - Apexmove App
12:52 - Music Storage
13:15 - Connecting Earbuds to the Watch
13:45 - Built-in Speaker Quality
14:41 - Bluetooth Calling
15:37 - Workout Modes
16:07 - GPS Test
17:12 - Offline Maps
18:13 - Battery
19:09 - Conclusion

KOSPET Tank T4 Specifications:
Hardware
MCU + DSP: ATS3089
Memory & Storage: 16MB SRAM + 32GB ROM

Design
Colors: Black, Silver
Dimensions (without sensor base): 48.6 × 48.6 × 13.7mm
Weight (without strap): 77g

Body Material
Bezel: Stainless Steel, Case: Stainless Steel, Back panel: Stainless Steel, Cover glass: Corning Gorilla Glass 3
Buttons: 4
Water-resistance Grade: 10 ATM & IP69K

Display
Material: AMOLED
Size: 1.43″
Resolution: 466 × 466
PPI: 461
Peak Brightness: Up to 1,000 nits
Auto-brightness: Support

Battery
Battery Type: Pure cobalt battery
Battery Capacity: 500 mAh (rated value）
Charging Method: Magnetic charging base
Theoretical Charging Duration: Approx. 2 hours
Typical Use Battery Life: Up to 14-15 days
Heavy Use Battery Life: Up to 9-10 days
AOD Mode Battery Life: Up to 5-6 days
GPS Continuous Usage: Up to 21-22 hours

Sensors
Health: VC9213-4PD sensor (supports blood-oxygen)
Movement: 6-axis gyroscope sensor, Geomagnetic sensor, Barometric altimeter, Ambient light sensor, Ambient temperature sensor
Positioning: Dual-band, 6 satellite positioning systems
Connection: BT V5.3

Other
Mic: Support
Speaker: Support
Motor: Support

Strap
Material: Liquid silicone
Buckle Material: Stainless steel
Width: 22mm
Min. & Max. Wrist Dimensions: 150-240mm
Removable Strap: Support
System Requirements: Android 7.0 and above, iOS 14.0 and above
Application: Apexmove App

Languages
English (default), German, Spanish, French, Italian, Portuguese, Russian, Dutch, Czech, Hebrew, Hungarian, Romanian, Finnish, Persian, Swedish, Danish, Greek, Polish, Ukrainian, Norwegian, Croatian, Serbian, Arabic, Turkish, Korean, Japanese, Malaysian, Filipino, Belarusian, Bengali, Indonesian, Thai, Vietnamese, Khmer, Urdu, Simplified Chinese, Traditional Chinese

HashTags for searching: #KOSPET #KOSPETTANKT4 #KOSPETTANKM4 #Smartwatch

Music credit:
1) Track: MokkaMusic - Fire youtube.com/watch?v=pXk_kIS1LaU
Music provided by MokkaMusic Youtube channel and inaudio.org

2) Track: MokkaMusic - Pathfinder youtube.com/watch?v=EkXZrrIGXII
Music provided by MokkaMusic Youtube channel and inaudio.org

3) Music from #InAudio: inaudio.org
Sport Trap Energy by Infraction [No Copyright Music] / Propane
youtube.com/watch?v=rNGyeIZ7FFQ

4) Track: MokkaMusic - Digital Kiss youtube.com/watch?v=5ndR3VXWSm8y MokkaMusic Youtube channel and inaudio.org

5) Music from #InAudio: inaudio.org
Sport Stylish Workout by Infraction [No Copyright Music] / Killers In The Jungle
youtube.com/watch?v=AR1CtxW1KD0

6) Music from #InAudio: inaudio.org
Upbeat Creative Future Pop by Infraction [No Copyright Music] / Dance
youtube.com/watch?v=rYHCbC5YUuQ

7) Track: MokkaMusic - Fire youtube.com/watch?v=pXk_kIS1LaU
Music provided by MokkaMusic Youtube channel and inaudio.org

8) Music from #InAudio: inaudio.org
Upbeat Retro Pop by Infraction [No Copyright Music] / Show Me
youtube.com/watch?v=W5qZUSwcZI8

9) Music from #InAudio: inaudio.org
Sport Cyberpunk G-House by Infraction [No Copyright Music] / Shock Absorber
youtube.com/watch?v=NUem5L2M0t0

Video credit:
Tech Brothers
youtube.com/c/techbrothersreviews

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