Ultrathin smart ring that tracks heart rate, sleep, and steps while offering remote control and scrolling functions for Android and iOS phones. Designed for comfortable daily wear and discreet control of phone functions. Key benefits Stay informed without checking your phone: continuous heart rate, step, and sleep tracking provide quick data at a glance. Reduce interruptions: use the ring scroller and remote control features to scroll pages, control music, or operate presentations with minimal hand movement. Comfortable for allday use: ultra thin profile and lightweight construction make the ring suitable for daily wear and overnight sleep tracking. Water resistant design lets you wear the ring during rain or sweatprone activities. Main features Heart rate tracking: records heart rate data during daily activities and workouts to help you monitor trends over time. Sleep tracking: captures sleep patterns and duration while worn overnight, so you can review sleep stability and rest periods. Step counter: accurately counts steps for casual walks, commuting, and exercise sessions. Remote control and scrolling ring scroller: control compatible Android and iOS phones for scrolling, media control, or simple remote interactions. Waterproof: designed to resist water exposure during routine activities. Ultra thin profile: minimal bulk for comfortable continuous wear, including while sleeping. Compatibility and fit Works with Android and iOS phones; pairs with compatible devices for data syncing and remote functions. Ultra thin design fits under rings and in pockets; select the correct ring size before for the comfort and sensor contact. Practical performance notes Designed for everyday use including walking, commuting, meetings, workouts, and sleep. Lightweight construction reduces interference with daily tasks while keeping sensors in contact for accurate recording. Use scenarios During a morning run: track steps and heart rate without carrying a phone in hand, then use the ring scroller to change music tracks. In a meeting or presentation: discreetly scroll slides or control a presentation with the ring scroller, avoiding the need to handle a phone or remote. Overnight tracking: wear the ring while sleeping to record sleep duration and patterns for later review. What to consider before ordering Choose the correct ring size for comfortable wear and reliable sensing. Ensure your Android or iOS device is compatible and paired according to the product instructions. This smart ring combines compact design with multiple tracking and control functions to simplify daily routines and provide convenient device control for Android and iOS users.