Engineer your next outdoor expedition around unmatched navigation endurance and rugged durability with the KOSPET Tank M4 GPS smartwatch.
Dual‑band positioning across six satellite constellations delivers precise track logs so you can download offline maps and follow your real‑time route deviations without cellular service.
Your gear stays protected by a stainless steel chassis and Corning Gorilla Glass 3 cover while the 1.96‑inch AMOLED screen reaches 1000 nits for your clear daytime reading.
A 500 mAh cell supplies up to 15 days of daily wear or 22 hours of continuous GPS tracking to fuel your extended trail runs.
Integrated dive profiles, 10ATM sealing, and optical health sensors let you track your SpO₂, stress, and sleep quality safely to 148 feet depth.
