Special Features: Heart rate monitor Blood pressure monitor Sleep monitor Multi-sport modes Pedometer Call and message reminder Call ID display Information push reminder (SMS, QQ, WeChat, Skype, Facebook, Twitter, Line, WhatsApp) Push again 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 type: USB charging App languages: 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 monitor activity and are consumer electronics. Slight data variation is normal. Users should interpret data objectively. - Do not compare with hospital equipment; this is not a medical device. - Before use, scan the QR code in the manual to download the app and connect it to the watch. - Android users: Always grant app permissions to enable full functionality.