Smart Ring Wearable Device Multifunctional Black High-tech

Battery capacity: None  Battery  
Appearance size: 58*58*42mm
Product weight: 39g
Applicable crowd: all, fashion, trend, learning,... Read More

Battery capacity: None  Battery  
Appearance size: 58*58*42mm
Product weight: 39g
Applicable crowd: all, fashion, trend, learning, couples
Wearing method: finger
Additional features: Talking up artifact, audio and video entertainment, support for NFC function, sharing/sharing, information push, privacy protection