XS: Mini version size 2.5*9*12.1cm
S: Small size 2.5*11*14.7cm
M: Large size 2.5*17*21cm
Voltage: ≤36V(V)
Power supply mode: USB power supply
Applicable gifts occasions: opening ceremony, employee benefits, awards commemoration, anniversary celebrations, trade fairs, advertising promotions, festivals, housewarming, public relations planning, birthdays, business gifts, other
