Precise positioning: Multiple positioning modes and 3D maps, fast positioning, find the location of family members anytime and anywhere through the mobile phone APP Electronic fence: Set a safety fence, and the elderly will push alarm information to the mobile phone APP when they walk out of the set range, so that relatives can keep track of the elderly in time Historical track: The historical track of the bracelet can be queried through the mobile phone APP, and the dynamics throughout the day are clearly visible Voice time: With 12-hour time playback function High-definition sound quality: Use high-quality waterproof speakers, the sound is loud, and the elderly can hear clearly in noisy environments, which is convenient for the elderly with weak hearing to use Multi-person care: Support multiple members to download APP applications, realize one watch for multiple people to care, and take care of the elderly with family at any time Reminder function: You can set medication reminders through the APP. Even if you are not around, the bracelet will still remind the elderly to take medicine on time Heart rate, blood pressure and body temperature detection: Remotely detect heart rate, blood pressure and body temperature information through the APP, and wear it for a long time to provide valuable reference for judging the health of the elderly Specifications: Battery capacity: 500mAh Strap: Silicone strap Operation method: Button Standby time: 5 days Positioning function: Support Body temperature detection: Support Vibration reminder: Support Waterproof level: Deep waterproof Charging time: 3 hours Two-way call: Support Heart rate and blood pressure detection: Support WeChat Chat: Support Network support: Mobile network Positioning system: GPS/BD/WIFI/LBS