NASKY Bluetooth 4.0 Wireless Activity Smart Wristband Heart Rate Monitor Fitness Tracker (Purple)

Specification: Item Type: Smart Bracelet Model: ID107 HR sensor: Silicon labs Si1142 Vibration: Real time vibrate to remind Waterproof: life waterproof (Sweat proof, rain proof, water drop proof) Screen:Display Size: 0.49 inch Display Type: OLED Bluetooth: BLE Bluetooth 4.0 Sync Battery: 70mAh Li-polymer battery Standby time: 5-10 days Charging: 2 points contact Charging time:1~1.5hours Dial shape: Rectangular Case material: Plastic Band material: Silicone Size:40.9*20.0*12.5mm Strap: 270mm Weight: 25g Compatible OS Android 4.4 / iOS 7.1 and above system Main Function: RTC, Heart rate monitor, Step pedometer, Calorie burnt, Distance track, Sleep monitor, Call remind (caller name/caller ID), Alarm remind, Anti-lost, Camera remote control,

PRICE: $31.99