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 diali
