1. Support phone base， GSM
2. Support phone call conversation， security fence， remote monitoring， a key for help， buddy management， remote alarm clock， remote monitoring， life waterproof， long standby time etc.
3. Food grade silicone bracelet
4. Cold White Screen
Specification:
Bluetooth Version: V3.0
SIM type: Micro SIM card
Compatibility: Compatible with Android smart phones
Network: GSM 850/900/1800/1900M