Sell M4 Smart watch Wristband Band Bluetooth Smart Watch Heart Rate Fitness Sleep Monitor Waterproof Smart Bracelet Watch Men Women best price

M4 Smart Wristband Band 4 Bluetooth Smart Watch Heart Rate Fitness Sleep Monitor Waterproof Smart Bracelet Watch Men Women BUYER NOTICE: ♥When You received goods, if the products broken or not satisfy with it, please Contact with us, please do not leave a negative feedback, We will try our best to solve it for you properly, Thank you! ♥Due to different cameras lens setting and lighting . it may has some color difference from the real item,Hope you can understand. ♥All the variation are in stock,you can choose are available. ♥Due to we are overseas seller, the parcel arrive at your country need 8-15 days product description: Device model: M4 Bluetooth: 4.0 Battery: 90mA Polymer Lithium-ion Charging Time: 2 hour Using Time:about 7 days Standby Time: about 15 days Waterproof: Life Waterproof Compatible system: for IOS8.0 and above,for Android4.4 and above Synchronization Range: 3m(theoretical rang is 10m without any interference) Main functions: heart rate monitoring, step counting, calorie burning, distance, RTC display, automatic sleep monitoring, call reminder, information push, alarm reminder, anti-lost, remote control, etc. Waterproof and dustproof: sweatproof, rainproof, splashproof Display screen size: 0.96 inches Screen type: TFT Connection parameters: Bluetooth Low-power Bluetooth 4.0 synchronization Other parameters: appearance material TPU Product net weight: 22g Product color: black, blue, red Other features: touch screen: full touch screen Control mode: button switch Data Storage: Record 7 days of detailed exercise data Battery type: polymer lithium battery Charging method: USB charging cable Package List: 1*M4 Smart Bracelet 1*User Manual #m4 #SmartBracelet #ColorScreen #Bracelet #Sports #Watch #Fitness #Running #Walking #Tracker #Children'Watches #SmartWatch