ใช้ไปเพียง 4 วัน Dynamic Characteristics: Connect to smartphone using Bluetooth 4.0Delivers incoming call alerts and text/SMS notifications from your smartphoneFeatures 24/7 activity tracking and a sleep quality tracker to help guide you to improve your overall healthTracks number of steps, distance travelled, and calories burnedIncludes a date/time vibration alarmRechargeable lithium ion battery charges in 30 minutes and lasts up to 7 daysEasy-to-use, intuitive touchscreenPersonalize your smartwatch with one of 3 swappable bands Ecosystem and Companion Apps:Pair with the Striiv app on iOS and Android to keep track of your sleep quality, steps, distance travelled, and calories burnedUpgradeable as new features are added to the Striiv appMay be compatible with select third party appsอ่านเพิ่มเติม