... 1, executive standard: Bluetooth V2.0 2 Working distance: 10 meters 3, modulation system: FHSS 2.4G4, transmitting power: ... , sleeping current: <200UA 9, charging current:> 100MA 10, standby time: 100days 11, Theory of working Time: 25 days12, uninterrupted working ... key life: 500 million 19, operating temperature: -20 - +55 °C 20, Storage temperature: -40 - +70 °CNote: When you switch on ...