Z18 OLED Samrtband Bluetooth 4.0 Smart Bracelet Sleep Heart Rate Monitor IP67 Waterproof Sports Tracker for Android iOS Step up to high-speed USB

Step up to high-speed USB 3

enable you to enjoy freely running

Charging will stop automatically when battery is full

0 4 Ports HUB(1 meter)

can transferedd electrons at much faster speeds

Z18 OLED Samrtband Bluetooth 4.0 Smart Bracelet Sleep Heart Rate Monitor IP67 Waterproof Sports Tracker for Android iOS Step up to high-speed USBProduct Features: Perfect Smartphone Companion Display Health Parameters This smart wristband can display the time, date, steps, distance ,calories and heart rate clearly. Let you know your sports data immediately! Sync Sports Data When paired with your smart phone via bluetooth, it will sync your data to Android phone and IOS phone. It gives you a real time assessment of your exercise throughout the day. Heart Rate Monitor It can monitor your heart