Category Details
• Model: D21 Watch 4 Set
• Display 1.52” Round Full-Touch Screen
• Resolution 260 × 296 pixels
• Straps Included 1 × Silicone Sport Strap, 1 × Leather/PU Strap
• Chipset Low-power smart chip with • Bluetooth 5.0
• Battery (Watch) 180–200 mAh Li-ion
• Battery Life 3–5 days typical use, 7–10 days standby
• Charging Method Magnetic / Wireless charging (varies by set)
• Earbuds True Wireless Stereo (TWS). • Bluetooth Earphones included
• Health Features Heart Rate Monitoring, Sleep Tracking, Step Counter, Calorie Burn Estimation, Sedentary Reminder
Sports Modes Walking, Running, Cycling, Fitness, and more
• Notifications Call, SMS, WhatsApp, Facebook, Instagram, Email, etc.
• Water Resistance IP67 (splash & sweat resistant)
• Compatibility Android 5.0+ / iOS 9.0+
• Colors Available Black, Silver, Rose Gold (depending on stock)
• Languages Supported Multi-language (English default + others in settings)
📦 Package Contents:
1 × D21 Watch 4 Smartwatch
1 × Pair of Wireless Earbuds (TWS)
1 × Silicone Sport Strap
1 × Leather/PU Strap
1 × Charging Cable (Magnetic or Wireless Dock)
1 × User Manual
