Z18 OLED Samrtband Bluetooth 4.0 Smart Bracelet Sleep Heart Rate Monitor IP67 Waterproof Sports Tracker for Android iOS 4835GHz Battery Type: Built-in Rechargeable

4835GHz Battery Type: Built-in Rechargeable Battery Size: 94

Using large capacity lithium 1200mAh battery

The width of car mount is 3

96" OLED scree display

1 x Jakcom R3F NFC Smart Ring

Z18 OLED Samrtband Bluetooth 4.0 Smart Bracelet Sleep Heart Rate Monitor IP67 Waterproof Sports Tracker for Android iOS 4835GHz Battery Type: Built-in RechargeableProduct 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