KW18 Bluetooth Heart Rate Smart Watch Wrist Waterproof Phone Mate Android IOS

Specification: CPU: MTK2502C Memory: 128Mbit64Mbit; support 16GB TF card Bluetooth: version 4.0, compatible with both Andorid and iPhone 2G GSM: 850/900/1800/1900 quad-bands, support sim phone call Battery: 340mAh Polymer batter Standby: 5 day…