Free exchange ♻️ 🆕 Elderly person positioning keychain - Accurate positioning

Swap preferred 🔁 / ❌ Food & Consumables Thank you for supporting environmental protection ♻️ Alternative direct purchase price: $99 / SF Express cash on delivery Pickup: Limited to MTR Tung Chung Station 🚅 Description: 100% authentic product. The above photos were taken in early June 2025, and the item has been kept in storage ever since. 1. 4G GPS multi-positioning and track query 2. Geo-fencing, instant notification when leaving the set range 3. Fall prevention and fall detection 4. Two-way or video calls 5. Low battery alert 6. Long standby time of 4 ~ 7 days 7. No monthly fees or additional charges