Product information:

Rated voltage: 3.7V
Dimensions: 48mm*22mm*16.7mm
Battery capacity: 120mA
Material: ABS + PC
Working hours: about 30 hours
Product weight: 11g
Pulse frequency: 10HZ-1500Hz

Packing list:

Snore Stopper *1, USB data cable *1, ear lanyard *2,Silicone ear buckle *2, instruction *1