Product information:
Battery capacity: button battery CR2032
Processing method: mechanical + manual
Interface: Bluetooth 5.0
Applicable crowd: easy to forget things crowd
Wearing method: lanyard/holster
Wireless distance: about 30-50m
Additional function: Selfie
Material: plastic + electronic components
Colour
White bare metal (including battery), black bare metal (including battery), light pink bare metal (including battery), orange bare metal (including battery), dark blue bare metal (including battery)