Rainbuvvy KR82 smart watch 2.1 inch AMOLED screen Bluetooth call altitude barometric compass flashlight outdoor sports watch

Screen size: 2.1 inch AMOLED Resolution: 240X296 System requirements: ios9 or above, Android 4.4 or above Bluetooth version: 5.3 Main control chip: Jerry 7013A6 Gsensor: Minghao DA267 Heart rate: VC30F Battery capacity: 650mAh Charging method: magnetic charging cable Motor: Built-in vibration reminder Material: zinc alloy + plastic Watch size: 59.8*45.8*14mm Strap width/material: 22mm silicone strap Functions: Supports AI voice assistant, Bluetooth calling, built-in mini-games, calculator functions such as altitude, air pressure, and compass. Flashlight, heart rate, blood pressure, blood oxygen, sleep monitoring, step counting, calories, distance, stopwatch, timer, etc.