| TECHNICAL PARAMETERS SPECIFICATION Lxwxh:151MM×59MM×11MM Weight (grams):98G PARAMETERS ON THE TOP INTERFACE: Frequency range:2401-2480MHZ Transmit power:+4DB MAX Operation Voltage:3.3V Operation Current: <50MA Charging current: <300MA Sleep current: <1MA PARAMETERS ON THE BOTTOM INTERFACE: Working frequency;20KHZ-60KHZ Charging voltage:5V Operation current: <20MA Sleep current : <2MA Ambient temperature”0?~+70? Operational range:UP TO 8M |