X9VO Smart Watch Heart Rate Blood Pressure Monitor Water-proofModel :X9voWith 0.95 inch OLED screen Heart rate detection/Blood oxygen detection / Blood pressure detection/Android system 4.4 version or above ; iOS system 8.0 version or above ;Support bluetooth with 4.0 version;BLE 4.0NRF528..
AR68 Smart Watch Fitness Tracker Bluetooth WatchModel : AR-68CPU: Hs6620DBluetooth Version: BT 4.0 or aboveCompatible OS: Android 4.4 or above , iOS 8.0 or aboveOperating Mode: Single Touch KeyWaterproof: IP67, Do not support swimming and take a shower.Standby Time: About 3-7 daysUsing time: About 1..