D99 0.96 inch OLED Screen Smartwatch for the Elder IP54 Waterproof, Support GPS + LBS + WiFi Positioning / Two-way Dialing / Voice Monitoring / One-key First-aid / Wrist off Alarm / Safety Fence (Black)

Function: 1. GPS+LBS+WiFi positioning. 2. Familiarity number dialing two-way conversation and voice monitoring. 3. Support One-key first-aid. 4. Wrist off alarm: When falls off the wrist, it gives the alarm to APP client. 5. Support Safety fence. 6. Historical trace: 90 days historical traces 7. Low battery alarm: When electric quantity is lower than 10%, it will give alarm to APP client. 8. WeChat: Through GPRS data transfer, it probably has 10 seconds' voice conversation transfer 9. Remote power-off: APP client can power off the watch remotely. 10. Do not disturb mode: Set up master control number and familiarity number, can reject cold calls, be sure to set up master control number first. 11. Address book: Support short number dialing, mobile phone number can't dial the short number, because they don't belong to one group. 12. System map: Google, Baidu, AutoNavi, Tencent, OpenStreetMap Parameter: 1. Dimension: 35*60*13mm 2. Weight: 43g 3. Key: Telephone Key, Record Key, Power Key, SOS Key 4. Screen: OLED screen, 128x64 resolution 5. GSM: MT6261 6. GPS: MT3337 7. Number of GPS channels: 20 channels 8. GPS sensitivity: -159DB 9. GPS accuracy: 5-15M 10. LBS accuracy: 100--1000M 11. Language: Chinese and English, restart the watch after setting 12. GPS antenna: High sensitivity active ceramic antenna 13. GSM antenna: Large area FPC gold-plated antenna 14. Battery: Gel polymer 400mA 15. GSM frequency: 850/900/1800/1900 16. Standby time: about 50 hours if upload every 30 seconds, about 70 hours if upload every 10 minutes , about 5 days if upload every hour 17. APP support system: Android version 2.3 and above, Apple version 5.0 and above Package Include: - 1 x Wrist watch - 1 x USB cable - 1 x Screwdriver - 1 x Instructions - 1 x Certificate of qualification - 1 x Warranty card