









built-in lithium polymer battery capacity :210mAH Voltage:3.0-4.2 V power charge connector Input :micro USB charge 5V standby time:100 days apptox continual working time :90H Charging time :2.5hrs-3hrs Operating temperature:-20¡æ-55¡æ storage temperature:-40¡æ-70¡æ Working distance:10 meters Modulation system:GFSK
Trustpilot
4 days ago
1 month ago