PROTANK S4 - Smartwatch with Fitness Tracker, Heart Rate Monitor, GPS, and Waterproof Design for Sports and Daily Use

PROTANK S4 | Vibrant Fortress Within Every Explorer

U.S.MIL-STD-Certified | Two-Color Liquid Silicone Rubber Mold
5ATM & IP69K Waterproof | 70 Sports Modes with Smart Recognition
HIFI Bluetooth Calling with One Switch | 380mAh Pure Cobalt Battery

MIL-STD Quality, Be Bold & Brave

The PROTANK S4, whose design and material selection meet the exacting standards of U.S. MIL-STD-810H, has proven applicable to any outdoor activities and harsh conditions, assisting you to face a whole host of challenges head-on.

Engineered for Intrepid Explorers

The bezel and the bottom of the PROTANK S4 are made of high-strength metal and stainless steel panels respectively, which not only secure the internal parts of the smartwatch but render it highly resistant to vibration, drops, and car crushing.

All-Round Waterproof

The PROTANK S4 has passed the demanding IP69K rating test, making this rugged smartwatch the perfect companion for day-to-day water sports and activities, such as swimming, diving, surfing, and more.

A Battery That Goes Above and Beyond

The PROTANK S4 adopts a double-mode, single-chip processor to minimize power consumption, ensuring long-lasting battery life: 50-day standby time and 20 days for daily usage.

Outperform Your Personal Best

The PROTANK S4 supports up to 70 sports modes, complemented by all-new sporting algorithms, enabling smart recognition and reminders for six sports movements: still, walking, running, cycling, elliptical, and rowing.

Keep in Close Contact, Now Easier Than Ever

The PROTANK S4 features the cutting-edge 8763EW processor with dual-mode Bluetooth. By connecting to the PROTANK FIT app, you can make Bluetooth calls and control music playback directly from your wrist, with mind-blowing HiFi sound quality.

170+ Sports Modes

The PROTANK S4 supports 170+ sports modes and detects your movement automatically when you begin one of these six sports.

Much More Interactive & Unique

With access to over 500 exquisite watch faces (to be added) right on your wrist, including many specifically designed for always-on display, there's a theme for every occasion.