Features: 70 Sports Modes: Stay healthy and achieve your fitness goals with the help of Kr Pro"s 70 workout modes: Running, Cycling, Swimming, Soccer, Climbing, Badminton,Tennis, Ping Pong, Hockey, Basketball, Rugby, Gymnastics, etc. Stable Bluetooth Calls: Boasting a powerful 2-in-1 calling chip & stable 5.2 Bluetooth connection, Kr provides you an stable, clear and high sound quality phone calls at anytime & anywhere. Conveniently receive & reject phone calls, dial out and store up to 100 contacts on your Kr! Fitness Tracker: With Kr Pro, you can better understand your health status by monitoring your blood-oxygen, heart rate, and sleep in real-time and makes timely adjustments to develop a healthier lifestyle. Quick Rejection Reply: If an emergency call comes in when you are in a meeting, you can directly reject the call and Kr pro will automatically reply via SMS to the caller. Droit Straps: Kr pro matched with two straps gives you different experience. You can change straps for different occasions. Music Player: Not just controlling your phone to play music, Kr pro also works as a speaker so that you can listen music on your wrist at anytime, anywhere. SOS Help: Kr Pro will call for help.when u need it! 7-Days Battery Life: If you want to invest in a smart watch jammed-pack with awesome features but also possesses an excellent battery life, Kr Pro is your top choice! 7 Days for Typical Use. Double Straps: Kr pro matched with two straps gives you different experience. You can change straps for different occasions. 1.43"Ultra FHD AMOLED Display: Crystal Clear At A Glance colorful screen displays comprehensive & rich content clearer, brighter, and quicker than ever before. Delicate Navigation Crown: The super convenient rotatable crown makes navigation much easier and changes watch faces in a second. Delightful gear sound makes it more fun! AI Voice Assistant Smart Life: A voice assistant helps perform tasks like settings alarms, launching applications or engaging sports modes via voice command. Vibrant Watch faces & Always-On Display: Match your mood, outfits or different occasions with a wide range of stylish watch faces, all of which have a matching always-on display. Quick Release Magnetic Strap: Leading the fashion trend with four kinds of premium collocations. Feeling comfortable owing to the perfect combinationof silicone and metal materials. Easy to wear and release without the alignment of traditional buckles. Specifications: Weight: 34.3g Display Size: 3.6 cm Material: FHD AMOLED Display Resolution: 466×466 Pixels Touch Screen: 2.5D Tempered glass - Anti-fingerprint coating. Body Material: Metal Battery: 280 mAh Battery life: 7 Days Battery Life (Regular Use), 2.5 Days Battery Life (Heavy Use) Waterproof rating: Pool Swimming, IP68. Package Include : Extra Replacement Band Black color Screen protector Charging/data cable Documentation