1.Bluetooth V3.0, low power consumption, highspeed without delay; 2.Compatible with IOS and Android dual system; 3 automatic default system, no need to switch Android or IOS system; 4.Do not need to install the APP; 5.Distance:10m; 6.Working frequency: 2.4 GHz, work mode: GFSK; 7.Working current: 1mA; (primary dormancy 0.5mA) 8.Working voltage: 3 V to 4.2 V 9.Working temperature: - 10-55 degrees; 10.Work humidity: 10% to 70%; 11.Battery: 100mA Lithium batteries;