K2 Smart Watch Blood Oxygen Blood Pressure Heart Rate Monitor Bluetooth Smart Wristwatch Waterproof Smart Bracelet For iPhone Android Phone

We ship within 24 hours, and have overseas warehouses, 2-5 days delivery. Easy-detachable Strap:Clip-on Detachable Strap Without Using Any Tools,Removable Strap,Easy To Change Whatever You Want. Dual-color Silicon Strap:20 mm Standard Dual-color Silicon Strap,Convenient Wearing Experience,Anti-sweat,Anti-scratch,Freely Match All The Fashion Color Straps As You Like. Message Synchronization:Instead Of Using Mobile Phone,You Can Read Synchronous Message From The Bracelet. Sleep Monitor:Sleep Quality Can Be Analyzed To Give Reasonable Suggestions And Management For Appropriate Adjustment According To The Sleep Status,This Helps Your To Have All Freshed Day..syi