You can buy the 100% original Kospet Tank T4 GPS Special Edition (T4 SE) online directly from umrelo.com.bd.

This rugged smartwatch is forged with an ultra-durable Inox 316 Stainless Steel shield structure that naturally resists deep scratches and heavy impacts on intense job sites. It is officially **MIL-STD-810H military standard certified** after passing rigorous SGS testing to survive extreme drops, shock, sub-zero cold, and intense heat. The round 1.43-inch AMOLED display is also heavily armored with impact-resistant Corning Gorilla Glass.

It offers full standalone navigation entirely without cell service. Equipped with 512MB of storage, the watch allows you to import custom routes and view full standalone offline maps directly on your wrist. To lock down your coordinates on remote trails or waterways, its dual-band six-system GNSS engine connects concurrently to six major global satellite networks (GPS, GLONASS, Galileo, BeiDou, QZSS, and NavIC) using a polarized precision antenna.

Yes, it is fully dive-ready and runs on premium pure cobalt battery power. The watch carries elite 10 ATM and IP69K protection ratings, making it submersible up to 45 meters underwater for advanced freediving, scuba diving, and deep saltwater fishing trips. Driven by a heavy-duty 500mAh pure cobalt cell, it delivers an exceptional 14 to 15 days of typical use, 9 to 10 days under heavy operational loads, and up to 22 hours of continuous active GPS tracking.

The watch operates as a comprehensive multi-tool hub with 180+ sports tracking modes. Powered by an ATS3089 processor and a high-precision VC9213-4PD sensor, it tracks 24/7 heart rate, blood oxygen (SpO2), stress, mood patterns, and deep sleep schedules (including REM and night shifts). It embeds a digital compass, barometric altimeter, and environmental indicators for moon phases and coastal tides. It also supports high-fidelity on-wrist Bluetooth calling and syncs data seamlessly with Strava or Apple Health via the Apexmove App (Android 7.0+ / iOS 14.0+). Physically, it measures 48.6 × 48.6 × 13.7 mm and weighs 29g (watch-only). Inside the box, you get 1 × Kospet Tank T4 GPS SE Body, 1 × Pre-installed Liquid Silicone Strap, 1 × Extra Replacement Silicone Strap (Included Free), 1 × Magnetic USB Charging Dock, and a Quick Setup Manual.