M4 Band Smart Watches

M4 Band smart phones compatiable fitness band|| Heart rate band||Health Watch|| Step Count Band|| Whatsapp Notification|| Facebook Notification||With Alarm System||Compatible oppo,vivo, samsung, sony, motorola, gionee and all Android and IOS smartphones Product Name: M4 Band smart phones compatiable fitness band|| Heart rate band||Health Watch|| Step Count Band|| Whatsapp Notification|| Facebook Notification||With Alarm System||Compatible oppo,vivo, samsung, sony, motorola, gionee and all Android and IOS smartphones Color: Black Battery Capacity: 400 mAh Compatibility: All Smart Phones Connectivity: Bluetooth Multipack: 1 Screen Size: 2 Inches Stand-by Time: 15 Hours Supports: SIM Talk Time: 4 Hours Activity Tracker: No App Download: No Blood Pressure Monitor: No Browser: No Dust Protected: Yes GPS: No Heart Rate Monitor: No Music: No Pedometer: No SIM Calling: Yes Sleep Monitor: No Water Resistant: Yes Type Of Water Resistance: IP64 Warranty Period: 1 Month Warranty Type: Repair Country of Origin: China