1. Core: ARM MO
2. Working voltage: 3V
3. Working current: 100uA
4. Bluetooth working frequency: 2.4GHz
5. Waterproof rating: IP67
6. Battery capacity: 140mAh
2. Working voltage: 3V
3. Working current: 100uA
4. Bluetooth working frequency: 2.4GHz
5. Waterproof rating: IP67
6. Battery capacity: 140mAh











