Special Features: Heart rate monitor, Blood pressure monitor, Sleep monitor, Multi-sport modes, Pedometer, Call or message reminder, Call ID display, Information push reminder (SMS, QQ, WeChat, Skype, Twitter, Line, WhatsApp), Push notification, Music control, Auto light-up screen. Alert Type: Vibration, Stopwatch. Other Functions: Alarm clock, Sedentary reminder, Camera remote control, Anti-lost. APP Name: DayBand. Specifications: CPU: SYD8810, Bluetooth Version: BT 4.0 or above, Compatible OS: Android 4.4 or above, iOS 8.4 or above, Operational Mode: Touch key, Waterproof: IP67 (not suitable for bathing or swimming), Screen: 0.96 inch TFT, Resolution: 128 x 96 pixels, Battery capacity: 90 mAh, Standby time: Approximately 4-5 days, Usage time: Approximately 2-3 days, Charging time: Approximately 4 hours, Charging method: USB charging. App Language: Russian, German, Italian, Czech, Japanese, French, Thai, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Korean. Package Included: 1 x Smart Bracelet (charger not included), 1 x User Manual. Notes: Wearable devices use electronic sensors to track activity and are intended for consumer use. Slight data variation is normal. Users should interpret data objectively. Do not compare with medical equipment—this is not a medical device. Before use, scan the QR code in the manual to download the app and pair the watch via the app. For Android users: Always grant app permissions to enable full functionality.