Smart Ring Fitness Ring Smart Rings For Men Women IP68 Tracking Ring With Pedometer Calories Sleep Smart Ring Android IOS Features: 1. Elegant Artistry: Our Smart Ring combines the of art with the intelligence of technology, providing you with a stylish and sophisticated accessory that seamlessly fits into your daily life. 2. Convenient Portability: Designed to be compact and lightweight, our smart ring can be easily carried with you wherever you go. Its pocket-sized body allows for effortless transportation, ensuring you never miss a beat. 3. Experience: Experience the future of wearable technology with our smart ring. With its design and feather-light feel, you'll forget you're even wearing it. Enjoy the ultimate comfort and convenience. 4. Sleep Monitoring: Gain insight into your sleep patterns with our smart ring's advanced sleep monitoring feature. Track the percentages of REM, light sleep, and deep sleep throughout your entire sleep cycle, helping you cultivate healthier sleeping habits for overall well-being. 5. Daily Activity Tracking: Stay on top of your fitness goals with our smart ring's daily activity tracking functionality. Monitor your steps, distance, and calories burned, empowering you to lead an active lifestyle and achieve optimal health. Product Description: Ring size inner diameter (mm): 8# diameter：18.1mm perimeter:56.9mm 9#diameter：18.9mm perimeter:59.5mm 10#diameter：19.8mm perimeter:62.1mm 11#diameter：20.6mm perimeter:64.6mm Material: Stainless steel Bluetooth Version: BLE 5.1 ​​ Battery capacity: 18mAh Working Time: About 5-7days Charing time: 0.5H G Sensor: QMA6100P Charging Cable: Magnet Cable (With SMT Protect IC) IP68 Charging Requirement: Charging 1A or less Function: Remote photography;Multiple sport modes;Sleep detection (Sleep ,Sleep quality);Step count;Synchronous data to APK/APP System requirements: Android: 6.0 or above iOS: 11.0 or higher Operating temperature: 0~45°C Storage temperature: -10~55°C Working humidity: 5%~95% (non-condensing) Electrostatic protection: electrostatic standard contact: ± 6KV, air: ± 10KV Surge protection: 12V Drop requirements: refer to GB/T 2423.8 standard Vibration requirements: refer to GB/T2423.10 standard Charging temperature protection: 45°C Device Size: (mm) 8\9\10\11 (reference national standard) Gift box Size (mm):90*90*46mm Net Weight (g): 4.5g Corss Weight (g): 76g (including packaging) Packing list: Ring*1 Charging case*1 Instruction manual*1 Elegant Fusion of Art and Technology: Our Smart Ring beautifully merges artistic aesthetics with cutting-edge technology, offering a chic and sophisticated accessory that effortlessly integrates into your everyday routine. Effortless Portability: Crafted to be compact and ultra-lightweight, our smart ring is designed for maximum mobility. Its pocket-sized form factor makes it simple to carry around, ensuring you remain connected at all times. Revolutionary Wearable Experience: Embark on the future of wearable tech with our smart ring. Its sleek design and feather-touch lightness make it virtually unnoticeable, providing unparalleled comfort and convenience. In-Depth Sleep Analysis: Understand your sleep patterns better with our smart ring's advanced sleep monitoring. It tracks REM sleep, light sleep, and deep sleep percentages throughout your sleep cycle, aiding in the development of healthier sleep habits for overall wellbeing. Comprehensive Daily Activity Tracking: Stay ahead of your fitness objectives with our smart ring's daily activity tracking feature. It monitors your steps, distance traveled, and calories burned, empowering you to adopt an active lifestyle and strive for peak health.