Vidonn X5 IP67 Bluetooth V4.0 Pedometer Smart Wristband Bracelet with Sports Sleep Tracking Activity Tracker Compatible with iPhone App Store / PCs (Not Suitable for Android Smartphone) (Black) Supports Bluetooth V4.0 Vidonn X5 IP67 Bluetooth V4.0 Pedometer Smart Wristband Bracelet with Sports Sleep Tracking Activity Wristband Bracelet Sports