Rest Well, Live Well
Gain in-depth analysis of your sleep patterns, covering light, deep, and REM stages for better rest.










Crafted to handle extreme conditions, the KOSPET TANK M3 ULTRA boasts a high-quality stainless steel body and a Corning® Gorilla® Glass 3 display, providing exceptional toughness and scratch protection no matter where you venture.

Featuring a 1.96" always-on AMOLED screen, KOSPET TANK M3 ULTRA delivers vivid colors and sharp visibility. Whether you're in direct sunlight or on the move, every stat and detail stays clear and easy to read at a glance.

Equipped with a built-in compass and barometric altimeter, the KOSPET TANK M3 ULTRA provides real-time information on your heading and tracks changes in air pressure to determine your exact altitude, enabling you to confidently navigate and meet any challenge in the outdoors.

Equipped with L1+L5 dual-frequency GPS and six global satellite systems, KOSPET TANK M3 ULTRA delivers accurate navigation wherever you go—be it winding urban roads or off-the-grid paths. It supports GPS, Galileo, GLONASS, BeiDou, QZSS, and NAVIC (IRNSS) for reliable positioning in any environment.



















Featuring 5 ATM and IP69K water resistance, KOSPET TANK M3 ULTRA is built to go below the surface with you, confidently handling depths up to 50 meters on every underwater journey.








With six sports automatically detected, KOSPET TANK M3 ULTRA delivers live tracking and performance metrics during your workouts.
KOSPET TANK M3 ULTRA uses the VP60A2 sensor to monitor heart rate, blood oxygen, sleep quality, and stress instantly on your wrist.


Gain in-depth analysis of your sleep patterns, covering light, deep, and REM stages for better rest.

Monitor your heart continuously with 24/7 tracking and receive notifications if irregularities occur.

Track your stress and emotions simply, while enjoying guided breaths to help you decompress.












KOSPET TANK M3 ULTRA is equipped with a 470mAh cobalt battery, providing up to 15 days of usage and more than a month on standby after only a 1.5-hour charge.

