DM66 Offline Map GPS Smart Watch — 2.13" AMOLED, 37H Battery, 170+ Sports Modes

Product Highlights

1. Powered by Actions AST3085S high‑performance chip for stable operation
2. 6‑system high‑precision GPS positioning, delivers accurate outdoor location data
3. Supports downloading offline maps within a 2‑20KM radius, no cellular signal required for navigation
4. 2.13‑inch AMOLED display, sharp visuals, great readability under sunlight
5. Large 850mAh battery, up to 37 hours endurance under pure GPS sport mode for long‑distance outdoor activities
6. Built‑in altitude barometer & digital compass, master terrain information at a glance
7. 5ATM water resistance, withstands daily splash and swimming scenarios
8. Adopts Cywee algorithm: 170+ sport modes, 24‑hour continuous heart‑rate tracking, auto‑recognition for 5 sports types
9. Multi‑sensor system: heart rate, blood oxygen and stress level real‑time monitoring
10. One‑key return‑to‑start function paired with offline maps, keeps you safe during hiking & exploration
11. Rugged dual‑material housing (soft‑gel + hard‑plastic combo), scratch‑resistant and durable for harsh outdoor environments
12. Ultra‑light bare‑unit weight of only 61g, comfortable for long‑time wrist wear
13. Rare square‑form‑factor smart watch with offline map capability in the market