Communication features, including: one-touch smart calling or voice messaging (no need to select a recipient; all group members can receive messages, and the li···

High-Quality Blue Light Protection: Certified for eye protection (AA standard);Fully Automated Adaptive Functions: Auto-lighting upon sitting, break reminders, ···

Communication and Intercom.GPS Tracking with Electronic Fence.One-Touch Emergency Alert.Crosswalk LED Flash Warning and Nighttime Illumination.Backpack Weight M···

Voice call, voice message;Push-to-talk (PTT), group push-to-talk;Attendance tracking, location tracking, activity trajectory;Compatible with fixed devices, prov···

Designed to work with our hardware devices, enabling unified management of all products within a single app.All devices establish network communication through ···

Call, Voicemail, and Group Intercom.GPS Tracking.One-Touch Emergency Alert.Nighttime LED Warning.Illumination and High-Capacity Battery.