M89 IP67 Waterproof Smart Wristbands Blood Pressure Heart Rate Fitness Tracker Smart Watch Built-in aluminum heat sink

Built-in aluminum heat sink

Skype Chatting

vitamin E (for the skin to inject more nutrition)

-- Safer Charging with Temperature Protection System

MP4 Talk Time: 4 Hours Music Time: 4 Hours Standby Time: About 120 Hours Charging Time: About 2 Hours Bluetooth protocol: HSP

M89 IP67 Waterproof Smart Wristbands Blood Pressure Heart Rate Fitness Tracker Smart Watch Built-in aluminum heat sinkProduct Features: 0. 86 inch HD Touch Screen Best suitable screen size of high definition pictures displaying to give you great experience. All day Activity Tracking This smart band accurately record all day activities such as steps, distance, calories burned, heart rate, blood pressure and sleep status. Satisfy with your basic sport demands, real time monitor your exercise data Heart Rate Blood Pressure Monitor Track real time heart rate, blood