Adult GPS anti-lost smart health positioning watch

basic skills:
Precise positioning, SOS help, low battery reminder, remote shutdown, sleep monitoring, wrist off alarm
Electronic fence, two-way conversation, exercise reminder, historical track, voice monitoring
Positioning: GPS+LBS precise positioning, 10 meters
Display: 0.96 OLED display.
Strap: Food grade silicone strap (TOSIV material)
Battery: Gel polymer battery 650mAh
Standby time is 1 minute. Upload (4 days)
Communication module: MTK2503A
APP support: Android 2.3 or above, Apple 5.0 or above
GPS positioning time: | cold start ≈ 38s, warm start ≈ 32s, hot start ≈ 2s