Nolia BL06 3m Waterproof Smart Bracelet Bluetooth 4.0 Sleep Monitoring for IOS Android Waterproof Standard: IP-x6 IP65 (Dive and swim under water 3m) Functions: Pedometer, distance, calorie consumption management, sleep management, time display, call alerts, message alerts, clock display, vibration alarm. Bluetooth version: 4.0BLE (low-power) Memory: 64KB RAM + 64KB ROM Supported models: iPhone 4S / 5 / 5C / 5S / 6 / 6P IOS6.1 above, Android 4.3 and above