High-quality aluminum alloy with strengthened design, makes SD-2 tough from the inside out, textured and durable, ensuring sturdiness and reliability for outdoor sports.
1.7" color screen with 320*320 resolution, presents vivid picture details and can still be visible in the sun. Meanwhile, a variety of delicate dials are available for you to switch freely.
Three major satellite positioning systems, including GPS+GLONASS+Beidou, brings you fast positioning speed with high accuracy even in challenging environments.
SD-2 supports multi-sports mode and will record various physiological data during exercise, making your exercise more professional and effective.
Automatically monitor and record your blood oxygen, heart rate and sleep data, helping you know your physical condition in real time and build a healthier lifestyle.
Features: [Meticulous Craftsmanship] High-quality aluminum alloy with strengthened design, makes SD-2 tough from the inside out, textured and durable, ensuring sturdiness and reliability for outdoor sports. Skin-friendly TPU strap is flexible and comfortable to wear. [Exquisite Display] 1.7" color screen with 320*320 resolution, presents vivid picture details and can still be visible in the sun. Meanwhile, a variety of delicate dials are available for you to switch freely.  [Multiple Satellite Positioning] Three major satellite positioning systems, including GPS+GLONASS+Beidou, brings you fast positioning speed with high accuracy even in challenging environments.  [Fitness Activity Tracker] SD-2 supports multi-sports mode and will record various physiological data during exercise, making your exercise more professional and effective.  [Health Monitor] Automatically monitor and record your blood oxygen, heart rate and sleep data, helping you know your physical condition in real time and build a healthier lifestyle.  [Long Battery Life] Advanced low-power chip combined with in-depth power management and optimization, provides a long-lasting battery life for daily use. Get rid of battery anxiety.   [IP68 Deep Waterproof] With high-end waterproof technology, SD-2 can be worn for daily hand washing, rain, sweat, or swimming, easily adapting to various environments (not for hot water). [Smart Reminder] After connected to the phone, it will provide synchronous display of message, call or social APP to remind you of important information. [More functions] Alarm clock, Stopwatch, Countdown, Sedentary reminder, Weather, Music control, Find phone, Remote camera, Flashlight, Brightness adjustment, etc. Parameters: Screen: 1.7" Full-touch Screen  Resolution: 320 * 320 BT: 5.0 Chip: Dialog 14695 Memory: 64K RAM + 128M ROM  Compatibility: Android 4.4 and above or iOS 9.0 and above Battery Capacity: 260mAh Battery Life: 25 days  App: F Fit Bracelet Language: Chinese, English, Russian, Japanese, German, Spanish, French, Italian, Polish, Korean, Portuguese APP Language: English, Simplified Chinese, Traditional Chinese, Japanese, French, German, Italian, Spanish, Russian, Portuguese, Malay, Korean, polish, Thai, Romanian, Bulgarian, Hungarian, Turkish, Czech, Slovak, Danish, Norwegian, Swedish, Filipino, Ukrainian, Vietnamese, Dutch, Croatian, Arabic,  Indonesian, Greek Specifications: Brand: SENBONO Model: SD-2 Case Material: Aluminum Alloy Strap Material: TPU Color: Black / Red / Army Green (Optional) Water-Resistant Level: IP68 Dial Size: 47 * 36mm Dial Thickness: 11.4mm Item Weight: 44g / 1.55oz Package Size: 9 * 9.6 * 6.6cm / 3.54 * 3.78 * 2.6in Package Weight: 147g / 5.19oz Note: * Please read the user manual carefully before using this product. * The watch is NOT suitable for hot water.  * There may be 1-3mm error due to manual measurement. * There may be slight difference in color due to shooting angle and light. Please refer to the real object. Package List: 1 * Smart Bracelet 1 * Charging Cable 1 * User Manual